A174907 - OEIS

A174907

Write the prime factorization of the factorial numbers (p1^q1*p2^q2*...*pn^qn) where p1,p2... are the primes and q1,q2... are the exponents. The exponents that change with each successive factorial change to the numbers in the sequence.

1, 1, 3, 1, 4, 2, 1, 7, 4, 8, 2, 1, 10, 5, 1, 11, 2, 6, 3, 15, 1, 16, 8, 1, 18, 4, 9, 3, 19, 2, 1, 22, 10, 6, 23, 2, 13, 25, 4, 1, 26, 14, 7, 1, 31, 15, 3, 32, 2, 8, 5, 34, 17, 1, 35, 2, 18, 3, 38, 9, 1, 39, 19, 6, 1, 41, 4, 21, 10, 42, 2, 1, 46, 22, 8, 47, 12, 23, 3, 49, 4, 1, 50, 26, 13, 5, 53

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

OFFSET

2,3

LINKS

Table of n, a(n) for n=2..88.

CROSSREFS

Sequence in context: A289205 A283866 A134545 * A237016 A135822 A242111

Adjacent sequences: A174904 A174905 A174906 * A174908 A174909 A174910

KEYWORD

nonn

AUTHOR

Jeff Burch, Apr 01 2010

STATUS

approved