A382360 a(n) is the unique k such that A382357(k) = 2^n.
1, 2, 5, 6, 27, 28, 87, 88, 371, 372, 1303, 1304, 5717, 5718, 27099, 27100, 100637, 100638, 429041, 429042, 1676037, 1676038, 6566201, 6566202, 26703687, 26703688, 105939329, 105939330, 424972311, 424972312, 1688465121, 1688465122, 6744826613, 6744826614
Offset: 0
Examples
A382357(27) = 2^4, so a(4) = 27.
Links
- Rémy Sigrist, PARI program
- Rémy Sigrist, C++ program
Crossrefs
Cf. A382357.
Programs
-
PARI
\\ See Links section. (C++) // See Links section.
Formula
Empirically: a(2*n+1) = a(2*n)+1.