78129

Appears in sequences

• Number of 4-tuples of standard tableau with height less than or equal to 2.at n=7A129123
• Array T(n, k) = k^(n-1) + (k-1)*cos(n*Pi/2), read by antidiagonals.at n=58A174006
• Number of alternating permutations on 2n letters that avoid a certain pattern of length 4 (see Lewis, 2012, Appendix, for precise definition).at n=5A217810
• a(n) = 5^n + 4.at n=7A242329
• Numbers n which when expressed in base 16 are palindromes whose digit sum and digit product both divide n.at n=17A246337
• a(n) = Sum_{k=1..n} gcd(k, n)^7.at n=4A343509
• Square array T(n,k), n >= 1, k >= 1, read by antidiagonals, where T(n,k) = Sum_{j=1..n} gcd(j, n)^k.at n=59A343510
• Total number A(n,k) of k-tuples of semi-Dyck paths from (0,0) to (n,n-2*j) for j=0..floor(n/2); square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=73A357824