OFFSET
0,2
COMMENTS
LINKS
Amiram Eldar, Table of n, a(n) for n = 0..356
FORMULA
a(n) = A061799(2^n). - Michel Marcus, Aug 16 2021
EXAMPLE
n A037992(n) a(n) d(a(n)) 2^n
-- ------------------------ ------------------------ ------- -------
18 188391763176048432000 184010559381256608000 276480 262144
19 8854412869274276304000 7912454053394034144000 552960 524288
20 433866230594439538896000 371885340509519604768000 1105920 1048576
MATHEMATICA
Table[SelectFirst[Table[{n, DivisorSigma[0, n]}, {n, 0, 11*10^5}], #[[2]]==2^k&], {k, 0, 8}][[;; , 1]] (* The program generates the first nine terms of the sequence. *) (* Harvey P. Dale, Feb 04 2024 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Jon E. Schoenfield, Aug 15 2021
STATUS
approved