A028266 Even elements in 3-Pascal triangle A028262 (by row).

4, 4, 8, 6, 6, 26, 8, 26, 26, 8, 34, 90, 34, 10, 10, 148, 266, 322, 266, 148, 12, 64, 414, 588, 588, 414, 64, 12, 76, 1002, 1176, 1002, 76, 14, 880, 2178, 2178, 880, 14, 430, 4356, 430, 16, 118, 3718, 6292, 6292, 3718, 118, 16, 134, 2184, 10010, 16302, 10010

Offset

0,1

Links

Table of n, a(n) for n=0..54.

Crossrefs

Sequence in context: A290841 A321774 A254267 * A275982 A165662 A110648

Adjacent sequences: A028263 A028264 A028265 * A028267 A028268 A028269

Keyword

nonn,easy

Author

Mohammad K. Azarian

Extensions

More terms from James A. Sellers

Status

approved