A277578 Left inverse of A277558

0, 1, 4, 2, 1750, 8771, 3, 5, 16, 14, 12, 10, 8, 6, 8765, 25, 1746, 1744, 23, 26353, 7, 9, 11, 13, 15, 17, 52, 50, 48, 46, 44, 42, 40, 38, 36, 34, 32, 30, 28, 26, 24, 22, 20, 18, 8745, 77, 1732, 5246, 75, 15800, 8741, 73, 26331, 8739, 71, 1728, 5242, 69, 15796

Offset

0,3

Comments

If A277558 is a permutation, this is the full inverse of it.

After 10^11 terms of A277558, the smallest number which has not appeared is 609790506. The largest number in the first 600 million terms of this sequence is a(597249348) = 97840303230.

Links

Benjamin Chaffin, Table of n, a(n) for n = 0..10000

Example

A277558(16) = 8, so a(8) = 16.

Crossrefs

Cf. A277558, A005132

Sequence in context: A072349 A016518 A118202 * A089331 A125856 A057110

Adjacent sequences: A277575 A277576 A277577 * A277579 A277580 A277581

Keyword

nonn

Author

Benjamin Chaffin, Oct 20 2016

Status

approved