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A340845
Denominators of coefficients in the expansion given in A340825 (see Comments at A340844).
5
2, 3, 36, 240, 1800, 945, 11760, 120960, 1360800, 259875, 109771200, 1556755200, 23610787200, 1489863375, 817296480000, 380007936000, 94479473088000, 1856156927625, 20062993991040000, 443497761907200000, 10244798300056320000, 60266321845104375
OFFSET
1,1
COMMENTS
The n-th coefficient of the expansion is c_n = A340844(n)/a(n).
It seems that c_n*n*(n+1)! is an integer for all n > 0.
EXAMPLE
1/2, -1/3, 13/36, -113/240, 1187/1800, ...
CROSSREFS
Cf. A340745, A340824, A340825, A340844 (numerators), A340875.
Sequence in context: A064032 A118443 A355236 * A266758 A280539 A216145
KEYWORD
nonn,frac
AUTHOR
Jon E. Schoenfield, Jan 24 2021
STATUS
approved