A073765 Special binomial coefficient: C(prime(n), composite(n)).

0, 0, 0, 0, 11, 13, 680, 3876, 245157, 34597290, 84672315, 12875774670, 244662670200, 800472431850, 14833897694226, 973469712824056, 48402641245296107, 191724747789809255, 9989690752182277136

Offset

1,5

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..700

Mathematica

Table[Binomial[Prime[w], FixedPoint[w+PrimePi[ # ]+1&, w]], {w, 1, 25}]

Crossrefs

Cf. A000040, A002808.

Sequence in context: A155967 A111070 A110115 * A360277 A174831 A343838

Adjacent sequences: A073762 A073763 A073764 * A073766 A073767 A073768

Keyword

nonn

Author

Labos Elemer, Aug 09 2002

Status

approved