OFFSET
1,3
EXAMPLE
1, -1/8, 5/81, -77/2048, 399/15625, -124729/6718464, 81549/5764801, ...
MATHEMATICA
Table[SeriesCoefficient[(1 + x)^(1/n), {x, 0, n}], {n, 1, 21}] // Numerator
Table[Binomial[1/n, n], {n, 1, 21}] // Numerator
PROG
(PARI) a(n) = numerator(binomial(1/n, n)); \\ Michel Marcus, Aug 05 2023
CROSSREFS
KEYWORD
sign,frac
AUTHOR
Ilya Gutkovskiy, Aug 04 2023
STATUS
approved