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A052367号 |
| 行和列置换下元素和等于n的非负整数5X5矩阵的数目。 |
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三
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1, 1, 4, 10, 33, 91, 277, 792, 2341, 6654, 18802, 51508, 138147, 359457, 910756, 2240915, 5365106, 12495406, 28353714, 62725603, 135469991, 285904968, 590347527, 1193817552, 2366907846, 4605225266, 8801576140, 16538061290
(列表;图表;参考;听;历史;文本;内部格式)
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抵消
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0,3
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链接
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配方奶粉
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通用:-(x^86-3*x ^85+9*x ^84+12*x ^83+59*x ^82+116*x ^81+452*x ^80+736*x ^79+2080*x ^78+3344*x ^77+7312*x^76+11708*x ^75+21793*x*^74+32869*x*^73+55563*x 31*x^65+724251*x^64+885383*x^63+11111989*x^62+1318149*x^61+1600579*x^60+1845557*x^59 +
2172889*x^58+2444070*x^57+2798839*x^56+3076865*x^55+3436180*x^54+3696058*x^53+4034590*x^52+4250683*x^51+4541020*x^50+468935*x^49+49073*x^48+4972196*x^47+5102026*x^46+5069013*x^45+510244*x^44+497170*x^43+499948*x^42+468757*x^41+454222 11*x^40+4249809*x^39+4036170*x^38+3694857*x^37+3438025*x^36+
3075494*x^35+2800760*x^34+2442552*x^33+2174743*x^32+1843864*x^31+1602482*x^30+1316113*x^29+114023*x^28+883313*x^27+725930*x^26+551915*x^25+439662*x^24+318308*x^23+245205*x^22+166823*x*x^21+12409*x^20+78506*x^19+56071*x^18+32361*x^17+22208*x^16+11357*x^15+7673*x^14+3221*x^13+2294*x^12+684*x^11+594*x^10+59*x^9+133*x^8+21*x^7+18*x^6-2*x^4-3*x^3+9*x*2-5*x+1)除以(见下一行)
((x^20-1)*(x^11-x^10+x^6-x^5+x-1)*)^22)。
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交叉参考
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关键词
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非n
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作者
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状态
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经核准的
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