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A355436 Inverse permutation to A355435. 2
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Rémy Sigrist, Table of n, a(n) for n = 1..10000

Rémy Sigrist, PARI program

FORMULA

a(prime(n)) = 2^n for any n > 0 (where prime(n) denotes the n-th prime number).

EXAMPLE

A355435(28) = 42, so a(42) = 28.

PROG

(PARI) See Links section.

CROSSREFS

Cf. A355435.

Sequence in context: A242722 A120242 A322864 * A352713 A054427 A232563

Adjacent sequences:  A355433 A355434 A355435 * A355437 A355438 A355439

KEYWORD

nonn

AUTHOR

Rémy Sigrist, Jul 02 2022

STATUS

approved

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Last modified October 3 17:09 EDT 2022. Contains 357237 sequences. (Running on oeis4.)