A369242 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A369242

Number of representations of n! - 1 as p*q + p*r + q*r with three odd primes p <= q <= r.

4

0, 0, 0, 0, 0, 2, 1, 3, 11, 24, 53, 176, 339, 1510, 2573, 8323, 29029, 75349, 236111, 974524, 3097327, 11024996

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,6

LINKS

Table of n, a(n) for n=0..21.

FORMULA

a(n) = A369054(A033312(n)).

For n >= 4, a(n) = A369055(n!/4).

PROG

(PARI) A369242(n) = A369054(n!-1); \\ Uses also the program given in A369054.

CROSSREFS

Cf. A033312, A369054, A369241, A369245.

Sequence in context: A119928 A215265 A036448 * A187111 A122050 A081323

Adjacent sequences: A369239 A369240 A369241 * A369243 A369244 A369245

KEYWORD

nonn,hard,more

AUTHOR

Antti Karttunen, Jan 21 2024

EXTENSIONS

a(15)-a(21) from Max Alekseyev, Sep 18 2025

STATUS

approved