A345051 Numbers k such that A345048(k) is equal to A345049(k).

2, 6, 9, 15, 28, 496, 625, 1225, 3993, 8128, 117649, 218491, 857375, 3788435, 4259571, 33550336, 69302975, 136410197, 200533921, 313742585, 603439225, 1516358753, 2563893625, 3326174929, 5655792025, 8589869056, 10214476341

Offset

1,1

Comments

Numbers k for which A342001(n) * A051709(n) = A173557(n) * A345001(n).

Conjecture: Sequence is a disjoint union of A000396 and A166374, i.e., there are no terms of any other kind.

Links

Table of n, a(n) for n=1..27.

Index entries for sequences where odd perfect numbers must occur, if they exist at all.

Prog

(PARI) isA345051(n) = (0==A345050(n));

Crossrefs

Cf. A051709, A173557, A342001, A345001, A345048, A345049.

Positions of zeros in A345050.

Cf. A000396, A166374 (subsequences).

Cf. also A345003.

Sequence in context: A294864 A103139 A181025 * A265202 A355738 A329743

Adjacent sequences: A345048 A345049 A345050 * A345052 A345053 A345054

Keyword

nonn,more

Author

Antti Karttunen, Jun 06 2021

Extensions

a(21)-a(27) from Amiram Eldar, Dec 08 2023

Status

approved