A084935 Diagonal sums of the array T in A084934.

0, 1, 2, 5, 7, 11, 15, 21, 25, 32, 39, 48, 54, 65, 73, 86, 94, 109, 119, 134, 145, 164, 176, 194, 208, 228, 243, 265, 282, 305, 321, 348, 366, 392, 411, 440, 460, 491, 513, 545, 566, 599, 624, 660, 683, 721, 747, 785, 812, 852, 881, 921, 950, 995, 1025, 1070, 1101

Offset

1,3

Links

Table of n, a(n) for n=1..57.

Example

The northwest corner of T includes
0 1 1 2
0 1 2
0 1
0,
from which the first four diagonals sums are 0,1,2,5.

Crossrefs

Cf. A084934.

Sequence in context: A184857 A032616 A006066 * A239072 A317242 A217302

Adjacent sequences: A084932 A084933 A084934 * A084936 A084937 A084938

Keyword

nonn

Author

Clark Kimberling, Jun 12 2003

Status

approved