0,2
a(4) = 37 = sum of row 4 terms of triangle A131404: (1 + 11 + 13 + 11 + 1).
Cf. A131404.
Sequence in context: A192952 A132738 A097442 * A176805 A042243 A041887
Adjacent sequences: A131402 A131403 A131404 * A131406 A131407 A131408
nonn
Gary W. Adamson (qntmpkt(AT)yahoo.com), Jul 07 2007