309657600

Appears in sequences

• Number of subgroups L of Z^n with the property that for every a in Z^n there exists precisely one b in L with d(a,b) <= 1. Here d denotes Euclidean distance.at n=10A026739
• Denominators in expansion of (1-x)^(-1/x)/e.at n=9A055535
• Product of nonzero digits of A066547(n).at n=12A066581
• a(n) = (n+1)^3*(3+n)!/6.at n=7A154306
• Triangle read by rows, k!*S_4(n, k) where S_m(n, k) are the Stirling-Frobenius subset numbers of order m; n >= 0, k >= 0.at n=34A225473