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A026985号作为一个简单的表

n个a(n)
01
1
210
25
469
5161
6412
7927
82275
95005
1011958
1125909
1260753
13130185
14301064
15639761
161463787
173090217
187010750
1914722575
2033171193
2169357949
22155376996
23323702075
24721673251
251498859829
263327877658
276893460863

[1,3,10,25,69,161,412,927,2275,5005,11958,25909,60753,130185,301064,639761,1463787,3090217,7010750,14722575,33171193,69357949,155376996,323702075,721673251,1498859829,3327877658,6893460863]