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A277578 Left inverse of A277558 1
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified January 25 23:04 EST 2020. Contains 331270 sequences. (Running on oeis4.)