99631

Appears in sequences

• 10-gonal (or decagonal) pyramidal numbers: a(n) = n*(n + 1)*(8*n - 5)/6.at n=42A007585
• Expansion of 1/((1-8*x)*(1-9*x)*(1-10*x)).at n=4A020976
• Numbers k such that k and k^2 use only the digits 1, 2, 3, 6 and 9.at n=34A136981
• Number of n X 4 binary arrays without the pattern 0 1 diagonally or vertically.at n=33A188838
• Odd decagonal pyramidal numbers.at n=21A218330
• Numbers n such that for every k = 1, 2, ..., A305706(n)-1, it is possible to insert plus signs into the decimal representation of n^k to make sum equal n.at n=59A305707
• Triangle read by rows. T(n, k) = 1 if n = k, otherwise T(n, k) = Sum_{j=0..k-1} (-1)^(j - k - 1) * (n + j + 1)^(n-1) / (j! * (k - 1 - j)!).at n=31A360177
• Number of growing self-avoiding walks of length n on a half-infinite strip of height 4 with a trapped endpoint.at n=15A374299