A355436 Inverse permutation to A355435.
1, 2, 4, 3, 8, 5, 16, 6, 13, 7, 32, 12, 64, 15, 9, 11, 128, 20, 256, 10, 17, 31, 512, 14, 25, 63, 29, 18, 1024, 24, 2048, 22, 33, 127, 49, 21, 4096, 255, 61, 23, 8192, 28, 16384, 30, 52, 511, 32768, 19, 113, 26, 125, 62, 65536, 36, 57, 27, 253, 1023, 131072
Offset: 1
Keywords
Examples
A355435(28) = 42, so a(42) = 28.
Links
- Rémy Sigrist, Table of n, a(n) for n = 1..10000
- Rémy Sigrist, PARI program
Crossrefs
Cf. A355435.
Programs
-
PARI
See Links section.
Formula
a(prime(n)) = 2^n for any n > 0 (where prime(n) denotes the n-th prime number).