A371237 Inverse permutation to A371236.

1, 2, 4, 3, 7, 5, 11, 16, 6, 22, 29, 12, 8, 17, 37, 46, 9, 56, 30, 18, 10, 13, 67, 23, 79, 19, 14, 92, 57, 106, 24, 15, 38, 121, 31, 47, 137, 20, 154, 58, 172, 39, 32, 21, 25, 48, 68, 191, 211, 122, 33, 26, 232, 138, 254, 49, 155, 277, 27, 40, 301, 59, 326, 80

Offset: 1

Author

Rémy Sigrist, Mar 16 2024

Keywords

• nonn

Examples

			A371236(42) = 78, so a(78) = 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. A000217, A371236.

Programs

PARI

See Links section.

Formula

a(n) - 1 <= A000217(n - 1).