cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A277578 Left inverse of A277558.

Original entry on oeis.org

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

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Author

Benjamin Chaffin, Oct 20 2016

Keywords

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.

Examples

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

Links

Crossrefs

Cf. A277558, A005132
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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