23634
domain: N
Appears in sequences
- Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 3,0,1,2.at n=5A037760
- Numbers k such that 63*2^k-1 is prime.at n=37A050557
- Number of 0..n arrays of length 3 with each element differing from at least one neighbor by something other than 1.at n=28A221574
- Coefficient of y^0 in G(x,y)^3 where G(x,y) = Sum_{n=-oo..+oo} (1-x^n)^n * x^n * y^n.at n=66A263188
- Numbers k such that 5 is the smallest decimal digit of k^2.at n=31A291630
- a(n) = Sum_{d|n} phi(d)^4.at n=35A342470
- Numbers k such that A308485(k) is a multiple of k.at n=11A352698
- The internal state of the Sinclair ZX81 and Spectrum random number generator.at n=19A357907
- G.f. A(x) satisfies A(x) = 1 / (1 - x - x * A(x^3)).at n=13A367659