A381034 Numbers that have a digit > 1 in their primorial base expansion, and that are multiples of the corresponding radix prime of the least significant such digit.

15, 20, 25, 45, 50, 55, 63, 75, 80, 85, 91, 98, 105, 110, 115, 126, 135, 140, 145, 165, 170, 175, 182, 189, 195, 200, 205, 225, 230, 235, 255, 260, 265, 273, 285, 290, 295, 301, 308, 315, 320, 325, 336, 345, 350, 355, 375, 380, 385, 392, 399, 405, 410, 415, 429, 435, 440, 445, 451, 465, 470, 475, 483, 495, 500, 505

Offset

1,1

Links

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

Index entries for sequences related to primorial base.

Example

A049345(15) = 211, the least significant digit larger than one is 2, where the corresponding radix prime is 5, and 5 divides 15, therefore 15 is included.

Prog

(PARI) is_A381034 = A381033;

Crossrefs

Cf. A049345, A381032, A381033 (characteristic function), A381037 (subsequence).

Subsequence of A392611 (which is the intersection A177711 and A381035).

Sequence in context: A070222 A143321 A066860 * A381037 A120159 A163602

Adjacent sequences: A381031 A381032 A381033 * A381035 A381036 A381037

Keyword

nonn,base

Author

Antti Karttunen, Feb 17 2025

Status

approved