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Table of n, a(n) for n=0..21.
Digits := 64:f := proc(n, x) ceil(GAMMA(n+x)/GAMMA(x)); end;
Sequence in context: A115601 A015557 A066305 * A111542 A246542 A001437
Adjacent sequences: A020090 A020091 A020092 * A020094 A020095 A020096