A023992 Sum of exponents of primes in multinomial coefficient M(4n; n+2,2n,n-2).

1, 3, 7, 9, 11, 11, 15, 15, 19, 18, 19, 21, 24, 22, 25, 26, 28, 26, 29, 29, 34, 33, 34, 36, 38, 35, 38, 38, 39, 38, 41, 42, 44, 43, 44, 46, 49, 45, 50, 50, 52, 51, 54, 55, 58, 55, 56, 58, 61, 57, 60, 60, 61, 60, 63, 62, 66, 64, 66, 67, 71, 68, 70, 72, 73, 70, 72, 70, 76, 74, 75, 77, 79, 76

Offset

1,2

Links

Table of n, a(n) for n=1..74.

Crossrefs

Sequence in context: A091210 A333911 A276492 * A179197 A097270 A109802

Adjacent sequences: A023989 A023990 A023991 * A023993 A023994 A023995

Keyword

nonn

Author

Clark Kimberling

Extensions

Missing a(1)=1 inserted by Sean A. Irvine, Jun 17 2019

Status

approved