A250092 a(n) = binomial( prime(n+4), prime(n) ).

55, 286, 6188, 50388, 1352078, 67863915, 265182525, 17672631900, 202112640600, 78378960360, 1503232609098, 14844575908435, 647520696018735, 1312251244423350, 57963796707857040, 31074067324187580, 369731787035040, 275291011073898820, 51705423561053205

Offset

1,1

Links

Table of n, a(n) for n=1..19.

Mathematica

Table[Binomial[Prime[x + 4], Prime[x]], {x, 1, 20}]

Prog

(Magma) [Binomial(NthPrime(n+4), NthPrime(n)): n in [1..20]];

Crossrefs

Cf. similar sequences of the type binomial(prime(n+k),prime(n)): A058077 (k=1), A125550 (k=2), A126993 (k=3), this sequence (k=4), A126994 (k=5).

Sequence in context: A159746 A212408 A350286 * A330382 A140197 A250841

Adjacent sequences: A250089 A250090 A250091 * A250093 A250094 A250095

Keyword

nonn

Author

Vincenzo Librandi, Nov 12 2014

Status

approved