40119
domain: N
Appears in sequences
- a(n)=a(n-1)+a(n-2)-d, where d=a(n/2) if n is even, else d=0; 2 initial terms.at n=26A050192
- Numbers k such that prime(k+1) == 5 (mod k).at n=13A105329
- Number of self-inverse permutations in S_n with longest increasing subsequence of length 3.at n=10A217323
- a(n) = Sum_{p <= n <= q < 2n, p,q prime} (p * q).at n=29A352777
- Number of partitions of [n] without prime sized blocks.at n=12A364450