A376237 Ludic factorials: product of the first n ludic numbers A003309.

1, 1, 2, 6, 30, 210, 2310, 30030, 510510, 11741730, 293543250, 8512754250, 314971907250, 12913848197250, 555295472481750, 26098887206642250, 1383241021952039250, 84377702339074394250, 5653306056717984414750, 401384730026976893447250, 30906624212077220795438250

Offset

0,3

Comments

The generalization or analog of primorials A002110 (resp. factorials A000142) to ludic numbers A003309 instead of primes (resp. positive integers).

Links

Table of n, a(n) for n=0..20.

Prog

(PARI) apply( {A376237(n) = prod(k=2, n, A003309(n))}, [0..20])

Crossrefs

Cf. A003309 (ludic numbers), A002110 (primorials), A376236 (Ludic Fortunate numbers).

Sequence in context: A233438 A002110 A118491 * A359960 A088257 A058694

Adjacent sequences: A376234 A376235 A376236 * A376238 A376239 A376240

Keyword

nonn

Author

M. F. Hasler, Nov 02 2024

Status

approved