28528
domain: N
Appears in sequences
- Length of n-th term in Look and Say sequences A005150 and A007651.at n=36A005341
- (2n+1)-digit anti-palindromic numbers or numberdromes, whose first and last digits add to ten, second and next-to-last add to ten and so on with the central digit a 5.at n=25A093472
- Number of ways to split 1, 2, 3, ..., 8n into n arithmetic progressions each with 8 terms.at n=13A104434
- a(1) = 1; a(n) = sum of previous terms a(k) such that a(k) + n is prime.at n=64A108867
- Maximal length of rook tour on an n X n+2 board.at n=33A152133
- Number of length n arrays of permutations of 0..n-1 with each element moved by -3 to 3 places and with no two consecutive decreases.at n=10A263678
- Triangle T(n,m) (n >= 1, 0 <= m < n) giving coefficients of (n-1)! P_n, where P_n is the polynomial formula for row n of A213086.at n=48A273528