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A365628 a(n) = binomial(primorial(n), n). 0
1, 2, 15, 4060, 78738660, 545754554499462, 1018081517447240182211275, 1793004475784081302284255717158418120, 1943305407393725342965469143054357602760779899437185, 3772316402417100592416011698371929155605067111502494326520988270728160 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
FORMULA
a(n) = binomial(A002110(n), n).
PROG
(Python)
from sympy import binomial, primorial
a = lambda n: binomial(primorial(n), n)
print([a(n) for n in range(1, 10)])
(PARI) a(n) = binomial(vecprod(primes(n)), n); \\ Michel Marcus, Sep 14 2023
CROSSREFS
Sequence in context: A320768 A337799 A064171 * A135085 A290042 A080911
KEYWORD
nonn
AUTHOR
Darío Clavijo, Sep 13 2023
STATUS
approved

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Last modified June 15 15:25 EDT 2024. Contains 373407 sequences. (Running on oeis4.)