75348
domain: N
Appears in sequences
- a(n) = 1 + F(2*n+1) + (-1)^n*L(n).at n=12A006172
- Sigma(n) values in A115920.at n=36A216372
- Numbers k such that 2^k + 33 is prime.at n=33A247953
- Number of length-n 0..2 arrays with no repeated value unequal to the previous repeated value plus one mod 2+1.at n=11A268938
- Number T(n,k) of permutations of [n] for which the difference between the longest and the shortest cycle length is k; triangle T(n,k), n>=0, 0<=k<=max(0,n-2), read by rows.at n=33A364967