262096
domain: N
Appears in sequences
- Expansion of e.g.f. tanh(sinh(x)*sin(x))/2 in odd powers of x^2.at n=2A009805
- If an array is made of columns of -nacci sequences, fibo-, tribo- etc. all starting w. 1,1,2 etc, the NW to SE diagonals can be extended by computation. The above is diagonal 7. See A159741 for details.at n=12A159743
- In base-2 lunar arithmetic, number of binary numbers x of length n such that x*x has no zeros.at n=23A191701
- a(n) = 8^n - 8n.at n=6A198398
- Fibonacci 14-step numbers, a(n) = a(n-1) + a(n-2) + ... + a(n-14).at n=19A220469