login
A374294
a(n) is the smallest positive integer k such that A002325(k) = n.
1
1, 3, 9, 27, 81, 99, 729, 297, 1089, 891, 59049, 1683, 531441, 8019, 9801, 5049, 43046721, 18513, 387420489, 15147, 88209, 649539, 31381059609, 31977, 1185921, 5845851, 314721, 136323, 22876792454961, 166617, 205891132094649, 95931, 7144929, 473513931, 10673289, 351747, 150094635296999121
OFFSET
1,2
FORMULA
If p is prime, a(p) = 3^(p-1).
a(n) is divisible by 3 for n > 1.
EXAMPLE
n | a(n)
-----+-----------------------
2 | 3.
3 | 9 = 3^2.
4 | 27 = 3^3.
5 | 81 = 3^4.
6 | 99 = 3^2 * 11.
7 | 729 = 3^6.
8 | 297 = 3^3 * 11.
9 | 1089 = 3^2 * 11^2.
10 | 891 = 3^4 * 11.
11 | 59049 = 3^10.
12 | 1683 = 3^2 * 11 * 17.
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Jul 02 2024
STATUS
approved