53915

Appears in sequences

• Numbers, p, that generate the prime quadruplets p^2-2p+2k (for k = -2, -1, 1, 2).at n=8A247882
• a(n) is the number of permutations of length n that avoid the pattern 321 and the mesh pattern (12, 431) or the same sequence for the mesh pattern (12, 491).at n=11A289601
• Number of partitions of [n] such that the number of blocks containing only odd elements equals the number of blocks containing only even elements and no block contains both odd and even elements.at n=13A363454