24731
domain: N
Appears in sequences
- a(n) = number of integer strings s(0),...,s(n) counted by array T in A026374 that have s(n)=3; also a(n) = T(2n-1,n-2).at n=6A026379
- Binomial matrix applied to A111418.at n=29A126791
- Numbers k such that 399*2^k+1 is prime.at n=30A323044
- Numbers k such that both k and k+2 are de Polignac numbers (A006285).at n=38A330284