A127645 a(n) = sum of first n terms of sequence A127644.

3, 9, 18, 36, 48, 64, 72, 96, 128, 162, 192, 240, 255, 256, 270, 272, 289, 300, 320, 324, 350, 357, 378, 400, 405, 432, 442, 455, 480, 520, 539, 567, 600, 637, 660, 702, 740, 784, 819, 850, 891, 920, 966, 1015, 1054, 1104, 1140, 1183, 1230, 1275, 1326, 1380

Offset: 1

Author

Leroy Quet, Jan 22 2007

Keywords

• nonn

Comments

a(n) divides A127646(n).

Crossrefs

Cf. A127644, A127646.

Extensions

Extended by Ray Chandler, Jan 22 2007