50685
domain: N
Appears in sequences
- a(n) = n OR n^3 (applied to binary expansions).at n=36A008468
- a(n) = n^4 + 4*n.at n=15A180354
- Number of Carmichael numbers (A002997) less than 2^n.at n=46A225005
- Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero.at n=12A304474