48238
domain: N
Appears in sequences
- Numbers n such that n | (sigma_4(n) + phi(n)^4).at n=4A055698
- a(n) = the number of ordered pairs of n-bit bit strings, such that both bit strings have at least n/2 one-bits, or both have at most n/2 one-bits.at n=8A083015
- Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 1), (-1, 0), (1, 0), (1, 1)}.at n=8A151306
- Expansion of -2*x*(1+4*x) / ((2*x-1)*(4*x^2+3*x+1)).at n=14A200563