A023978 Sum of exponents in prime-power factorization of multinomial coefficient M(3n; n,n,n).

2, 4, 7, 7, 9, 11, 14, 12, 13, 14, 19, 18, 20, 22, 23, 19, 23, 22, 27, 25, 25, 30, 33, 30, 30, 32, 33, 31, 34, 34, 38, 33, 34, 36, 38, 34, 37, 40, 42, 39, 42, 43, 50, 49, 48, 50, 54, 49, 50, 49, 51, 51, 53, 54, 55, 51, 53, 54, 61, 57, 60, 63, 63, 56, 56, 56, 61, 60, 61, 63, 66, 61, 64, 67, 69, 67, 68

Offset

1,1

Links

Table of n, a(n) for n=1..77.

Crossrefs

Sequence in context: A276807 A363166 A161368 * A152488 A109359 A025087

Adjacent sequences: A023975 A023976 A023977 * A023979 A023980 A023981

Keyword

nonn

Author

Clark Kimberling

Status

approved