11453115051
domain: N
Appears in sequences
- Gaussian binomial coefficient [n, 2] for q = 2.at n=18A006095
- A Jacobsthal variant.at n=34A097038
- a(n) = 6*a(n-1) - 8*a(n-2) + 1 for n > 1; a(0) = 1, a(1) = 7.at n=16A171477
- Number of set partitions of [n] into exactly four blocks such that all odd elements are in blocks with an odd index and all even elements are in blocks with an even index.at n=32A274868