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A324186
Sum of odd divisors permuted by A163511: a(n) = A000593(A163511(n)).
10
1, 1, 1, 4, 1, 13, 4, 6, 1, 40, 13, 31, 4, 24, 6, 8, 1, 121, 40, 156, 13, 124, 31, 57, 4, 78, 24, 48, 6, 32, 8, 12, 1, 364, 121, 781, 40, 624, 156, 400, 13, 403, 124, 342, 31, 228, 57, 133, 4, 240, 78, 248, 24, 192, 48, 96, 6, 104, 32, 72, 8, 48, 12, 14, 1, 1093, 364, 3906, 121, 3124, 781, 2801, 40, 2028, 624, 2400, 156, 1600, 400, 1464, 13, 1240, 403
OFFSET
0,4
FORMULA
a(n) = A000593(A163511(n)).
For n > 0, a(n) = A324056(A054429(n)).
PROG
(PARI)
A000593(n) = sigma(n>>valuation(n, 2)); \\ From A000593
A163511(n) = if(!n, 1, my(p=2, t=1); while(n>1, if(!(n%2), (t*=p), p=nextprime(1+p)); n >>= 1); (t*p));
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Feb 17 2019
STATUS
approved