A162611 Triangle read by rows in which row n lists n+1 terms, starting with n, such that the difference between successive terms is equal to n^2 - 1.

0, 1, 1, 2, 5, 8, 3, 11, 19, 27, 4, 19, 34, 49, 64, 5, 29, 53, 77, 101, 125, 6, 41, 76, 111, 146, 181, 216, 7, 55, 103, 151, 199, 247, 295, 343, 8, 71, 134, 197, 260, 323, 386, 449, 512, 9, 89, 169, 249, 329, 409, 489, 569, 649, 729, 10, 109, 208, 307, 406, 505, 604

Offset

0,4

Comments

Note that the last term of the n-th row is the n-th cube A000578(n).

See also A159797, A162614 and A162622.

Links

Table of n, a(n) for n=0..61.

Example

Triangle begins:
0;
1, 1;
2, 5, 8;
3,11,19,27;
4,19,34,49,64;
5,29,53,77,101,125;
6,41,76,111,146,181,216;

Mathematica

Flatten[Join[{0, 1, 1}, Table[Range[n, (n+1)(n^2-1), n^2-1], {n, 2, 10}]]] (* Harvey P. Dale, Jun 18 2014 *)

Crossrefs

Cf. A000578, A159797, A162612, A162613, A162614, A162622.

Sequence in context: A056886 A197839 A021391 * A152248 A248906 A075175

Adjacent sequences: A162608 A162609 A162610 * A162612 A162613 A162614

Keyword

easy,nonn,tabl

Author

Omar E. Pol, Jul 09 2009

Extensions

Edited by Omar E. Pol, Jul 18 2009

Status

approved