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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A373334 a(n) is the least prime power (A246655) P such that P-n is the next smaller prime power below P.

Original entry on oeis.org

3, 7, 16, 23, 37, 59, 1031, 97, 521, 149, 536870923, 211, 144115188075855872, 307, 65536, 1847, 8209, 1087, 147573952589676412928, 907, 524309, 1151, 549755813911, 4201, 17179869209, 2503, 16411, 2999, 131101, 1361, 34359738368, 5623, 18014398509481984, 8501, 33554467, 9587
Offset: 1

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Author

Hugo Pfoertner, Jun 16 2024

Keywords

Comments

If powers of primes (A000961) were used instead of A246655, a(1) would be 2.

Crossrefs

Cf. A246655, A057820, A110968, A290515, A000961.

Formula

a(n) = A290515(n) + n for n > 1.
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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