A361117 a(n) is the least k such that A360519(k) is divisible by the n-th prime number.

2, 2, 3, 4, 8, 17, 24, 32, 40, 48, 50, 54, 58, 69, 73, 104, 120, 122, 126, 137, 141, 160, 164, 176, 200, 202, 206, 208, 210, 229, 252, 260, 276, 280, 304, 308, 312, 332, 336, 344, 361, 376, 388, 392, 400, 404, 428, 452, 468, 472, 480, 496, 500, 508, 520, 532

Offset

1,1

Links

Rémy Sigrist, Table of n, a(n) for n = 1..10000

Rémy Sigrist, PARI program

Formula

a(n) <= a(n+1).

Example

The first terms of A360519 alongside their prime factors and the corresponding terms of this sequence are:
  n  A360519(n)  Primes  Terms
  -  ----------  ------  --------------
  1           1  None
  2           6  2, 3    a(1)=2, a(2)=2
  3          10  2, 5    a(3)=3
  4          35  5, 7    a(4)=4
  5          21  3, 7
  6          12  2, 3
  7          20  2, 5
  8          55  5, 11   a(5)=8

Prog

(PARI) See Links section.

Crossrefs

Cf. A360519.

Sequence in context: A032243 A153922 A153943 * A049309 A239967 A307891

Adjacent sequences: A361114 A361115 A361116 * A361118 A361119 A361120

Keyword

nonn

Author

Scott R. Shannon, Rémy Sigrist and N. J. A. Sloane, Mar 03 2023

Status

approved