A370728 Inverse permutation of A370727.

2, 1, 4, 3, 6, 9, 11, 5, 10, 14, 15, 18, 22, 31, 43, 7, 8, 17, 23, 16, 35, 36, 48, 24, 37, 54, 61, 66, 70, 76, 92, 12, 13, 27, 28, 26, 29, 39, 52, 40, 51, 73, 75, 83, 97, 133, 181, 30, 41, 63, 64, 42, 74, 85, 96, 65, 86, 105, 144, 126, 145, 190, 207, 19, 20

Offset: 1

Author

Rémy Sigrist, Feb 28 2024

Keywords

• nonn
• base

Comments

Also, lexicographically earliest sequence of distinct positive integers such that for any n > 0, prime(a(n)) AND n = n (where prime(k) denotes the k-th prime number and AND denotes the bitwise AND operator).

Examples

			A370727(42) = 52, hence a(52) = 42.
		

Links

• Rémy Sigrist, Table of n, a(n) for n = 1..10000
• Rémy Sigrist, PARI program
• Index entries for sequences that are permutations of the natural numbers

Crossrefs

Cf. A370727.

Programs

PARI

See Links section.