357910
domain: N
Appears in sequences
- Period of the Lucas 4-step sequence A073817 mod prime(n).at n=19A106296
- Triangle read by rows: T(n,m)=2*Binomial[n, m] - (m! - n! + (-m + n)!).at n=47A155451
- Triangle read by rows: T(n,m)=2*Binomial[n, m] - (m! - n! + (-m + n)!).at n=52A155451
- Number of permutations p of [n] whose absolute differences between consecutive elements yield up-down sequences.at n=11A348534
- Numbers k such that A254926(k) = A254926(k+1).at n=15A349309