|
|
A361117
|
|
a(n) is the least k such that A360519(k) is divisible by the n-th prime number.
|
|
1
|
|
|
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
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
FORMULA
|
a(n) <= a(n+1).
|
|
EXAMPLE
|
The first terms of A360519 alongside their prime factors and the corresponding terms of this sequence are:
- ---------- ------ --------------
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
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|