1441791
domain: N
Appears in sequences
- a(n) = 11*2^n - 1.at n=17A086225
- Decimal representation of the middle column of the "Rule 233" elementary cellular automaton starting with a single ON (black) cell.at n=20A267880
- Numbers k such that the odd part of (1+k) divides (1 + odd part of A001615(k)), where A001615 is Dedekind's psi-function.at n=30A387415