1,2

a(6) = 37 = 1*1 + 1*5 + 1*10 + 1*10 + 2*5, + 1*1, where 1, 1, 1, 1, 2, 1...are the first 6 terms of A007318 (the first 3 rows of Pascal's triangle as a continuous sequence).

Cf. A007318.

Sequence in context: A093951 A137255 A076892 this_sequence A129987 A136671 A024557

Adjacent sequences: A106459 A106460 A106461 this_sequence A106463 A106464 A106465

nonn

Gary W. Adamson (qntmpkt(AT)yahoo.com), May 02 2005