1,2
Table of n, a(n) for n=1..14.
a(6) = 10 = sum of row 6 terms of triangle A140583: (1 + 4 + 2 + 1 + 1 + 1).
Cf. A140583.
Sequence in context: A287162 A018900 A126590 * A085705 A187417 A072716
Adjacent sequences: A140581 A140582 A140583 * A140585 A140586 A140587
nonn,more
Gary W. Adamson and Mats Granvik, May 17 2008
approved