A075890 Largest term in the prime(n)-th row of Pascal's triangle, prime(n) being the n-th prime.

2, 3, 10, 35, 462, 1716, 24310, 92378, 1352078, 77558760, 300540195, 17672631900, 269128937220, 1052049481860, 16123801841550, 973469712824056, 59132290782430712, 232714176627630544, 14226520737620288370, 221256270138418389602, 873065282167813104916, 53753604366668088230810

Offset

1,1

Comments

Previous name: Either of the twin middle(greatest) terms in p(n)-th row of Pascal's triangle, p(n) being the n-th prime.

Links

Table of n, a(n) for n=1..22.

Formula

a(n) = A001405(prime(n)). - Michel Marcus, Jul 15 2022

Prog

(PARI) a(n) = my(p=prime(n)); if (p==2, binomial(p, 1), binomial(p, (p-1)/2)); \\ Michel Marcus, Jul 15 2022

Crossrefs

Cf. A001405.

Sequence in context: A056607 A278051 A060604 * A296269 A141102 A144720

Adjacent sequences: A075887 A075888 A075889 * A075891 A075892 A075893

Keyword

easy,nonn

Author

Lekraj Beedassy, Oct 17 2002

Extensions

New name, offset 1, a(1) and more terms from Michel Marcus, Jul 15 2022

Status

approved