A348949 a(n) = A003959(A276086(n)), where A003959 is multiplicative with a(p^e) = (p+1)^e, and A276086 gives the prime product form of primorial base expansion of n.
1, 3, 4, 12, 16, 48, 6, 18, 24, 72, 96, 288, 36, 108, 144, 432, 576, 1728, 216, 648, 864, 2592, 3456, 10368, 1296, 3888, 5184, 15552, 20736, 62208, 8, 24, 32, 96, 128, 384, 48, 144, 192, 576, 768, 2304, 288, 864, 1152, 3456, 4608, 13824, 1728, 5184, 6912, 20736, 27648, 82944, 10368, 31104, 41472, 124416, 165888, 497664, 64
Offset: 0
Links
Programs
-
PARI
A348949(n) = { my(m=1, p=2); while(n, m *= ((1+p)^(n%p)); n = n\p; p = nextprime(1+p)); (m); };