A134152 Row sums of triangle A134151 and partition array A134150 (M3(4)/M3).

1, 5, 33, 329, 4081, 64289, 1193697, 25959169, 641756673, 17842602561, 549786056897, 18611202710465, 686107435427009, 27365450091496641, 1173865020528758465, 53888878469193228993, 2635977957955398642369

Offset: 1

Author

Wolfdieter Lang, Nov 13 2007

Keywords

• nonn
• easy

Crossrefs

Cf. A000041, A134272 (alternating row sums of triangle A134151).

Formula

a(n) = Sum_{m=1..n} A134151(n,m), n>=1.

a(n) = Sum_{k=1..p(n)} A134150(n,k), with p(n) = A000041(n) (number of partitions of n).