来自在线整数百科全书的问候语!http://oeis.org/ Search: id:a275064 Showing 1-1 of 1 %I A275064 %S A275064 1,1,1,1,1,1,1,1,1,1,2,4,8,16,32,64,128,256,512,1536,4608,13824,41472, %T A275064 124416,373248,1119744,3359232,10077696,40310784,161243136,644972544, %U A275064 2579890176,10319560704,41278242816,165112971264,660451885056,2641807540224 %N A275064 Number of permutations p of [n] such that p(i)-i is a multiple of nine for all i in [n]. %H A275064 Alois P. Heinz,n,a(n)n=0…683的表%F A255064 A(n)=乘积{{i=0…8 }楼层((n+i)/ 9)!α%F A27 5064 A(n)~(2×Pi*n)^ 4×n!/ 9 ^(n+9/2)。- OkVaLavkToSeVoCeCo,OCT 02×2018 %T A27 5064表[产品] [(n+i)/ 9 ]!,{i,0, 8 },{n,0, 40 }(*-Vasavk-KoTeVoCeCo,OCT 02×2018))K=9的A27 5062 .0%K A27 5064 NANN 0%O A27 5064 0,11% AA505064 AlOLIS P HeNZZ,7月15日2016‰的内容在OEIS最终用户许可协议下可用:HTTP:/OEIS.Org/许可证