A373484 - OEIS

A373484

Numbers k such that A083345(k) and A276085(k) are both multiples of 3, where A276085 is fully additive with a(p) = p#/p, and A083345 is the numerator of the fully additive function with a(p) = 1/p.

1, 8, 35, 64, 65, 77, 95, 119, 125, 135, 143, 155, 161, 185, 203, 209, 215, 221, 275, 280, 287, 297, 299, 305, 323, 329, 335, 341, 343, 365, 371, 377, 395, 407, 413, 425, 437, 459, 473, 485, 497, 512, 515, 520, 527, 533, 545, 551, 575, 581, 605, 611, 616, 621, 623, 629, 635, 637, 671, 689, 695, 707, 713, 725, 731, 737

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

A multiplicative semigroup: if m and n are in the sequence, then so is m*n.

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..20000

PROG

(PARI) isA373484 = A373483;

CROSSREFS

Intersection of A339746 and A369644.

Subsequence of A373144.