39746

Appears in sequences

• Coordination sequence for lattice {E_7}*.at n=4A008921
• Column 3 of triangle A055907.at n=17A055909
• Numbers k such that k!!!! - 1 is prime.at n=31A085147
• Galton triangle T(n, k) = T(n-1, k-1) + (3k-2)*T(n-1, k) read by rows.at n=41A111577
• Number of permutations of length n which avoid the patterns 2314, 2431, 3124.at n=9A116751
• Triangular array: T(n,k) counts upper triangular matrices with entries from {0,1} having n 1's in total, with k 1's on the main diagonal and at least one nonzero entry in each row.at n=30A182319
• Starts of runs of 3 consecutive Zeckendorf-Niven numbers (A328208).at n=29A328210
• a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero dodecahedral numbers in exactly n ways, or -1 if no such integer exists.at n=11A360216