A051668 Rows of triangle formed using Pascal's rule except begin and end n-th row with (n+1)^2.

1, 4, 4, 9, 8, 9, 16, 17, 17, 16, 25, 33, 34, 33, 25, 36, 58, 67, 67, 58, 36, 49, 94, 125, 134, 125, 94, 49, 64, 143, 219, 259, 259, 219, 143, 64, 81, 207, 362, 478, 518, 478, 362, 207, 81, 100, 288, 569, 840, 996, 996, 840, 569, 288, 100, 121, 388, 857, 1409

Offset

0,2

Links

Table of n, a(n) for n=0..58.

Example

Triangle begins as:
   1;
   4,  4;
   9,  8,  9;
  16, 17, 17, 16;
  25, 33, 34, 33, 25;
  ...

Crossrefs

Cf. A051669 (row sums).

Sequence in context: A375544 A049723 A010661 * A005441 A362294 A198497

Adjacent sequences: A051665 A051666 A051667 * A051669 A051670 A051671

Keyword

easy,nonn,tabl

Author

Asher Auel

Extensions

More terms from James A. Sellers

Status

approved