A340505 a(n) = Product_{i=1..n} A082993(n+1).

1, 3, 21, 903, 1635333, 5348629677111, 57215678845771783382998197, 6547267811564993508769323307224831436832226981434907

Offset

0,2

Comments

a(8) = 857334315927101186961957821844837532508142718268765884794690\

22063498754404219681647201934916748805234491

is too large to fit in the DATA field.

Links

Hugo Pfoertner, Table of n, a(n) for n = 0..11

Example

A082993(i), i >= 2, begins 3, 7, 43, 1811, ..., so a(3) = 3*7*43 = 903.

Crossrefs

Cf. A082993.

Sequence in context: A079269 A127104 A176430 * A327037 A144621 A288567

Adjacent sequences: A340502 A340503 A340504 * A340506 A340507 A340508

Keyword

nonn

Author

N. J. A. Sloane, Jan 22 2021

Status

approved