1,2

For a(n), n odd, A129266 = n.

Triangle A129265 row sums

a(6) = 9 = (2 + 2 + 2 + 1 + 1 + 1), sum of row 6, triangle A129265.

Cf. A129264, A129265.

Sequence in context: A086799 A161427 A098688 this_sequence A129527 A085379 A070801

Adjacent sequences: A129263 A129264 A129265 this_sequence A129267 A129268 A129269

nonn

Gary W. Adamson (qntmpkt(AT)yahoo.com), Apr 06 2007