A077560 Second smallest integer of prime signature corresponding to that of A025487.

3, 9, 10, 27, 18, 81, 40, 42, 243, 100, 80, 84, 729, 108, 160, 168, 2187, 324, 252, 320, 330, 1000, 336, 6561, 800, 504, 640, 630, 648, 672, 19683, 1600, 1008, 1280, 1320, 1944, 1764, 1344, 59049, 1512, 3200, 1980, 10000, 2016, 2560, 2640, 5832, 2700

Offset

2,1

Comments

In A025487 the terms are in increasing order but here there are ups and downs.

Links

Amiram Eldar, Table of n, a(n) for n = 2..10001

Formula

a(n) = A081761(A025487(n)). - Amiram Eldar, Dec 29 2020

Crossrefs

Cf. A025487, A081761.

Sequence in context: A093108 A247519 A344295 * A326003 A060140 A340387

Adjacent sequences: A077557 A077558 A077559 * A077561 A077562 A077563

Keyword

nonn

Author

Amarnath Murthy, Nov 10 2002

Extensions

Corrected and extended by Ray Chandler, Aug 24 2003

Status

approved