0,1

See A140601 which is the main entry for this sequence.

a(1)=34 because C(34,6) + C(34,7) = 1344904 + 5379616 = 6724520 divides C(34,13) = 927983760.

Cf. A140601, A140602.

Sequence in context: A092223 A046764 A086005 this_sequence A067977 A044221 A044602

Adjacent sequences: A140599 A140600 A140601 this_sequence A140603 A140604 A140605

hard,more,nonn

Andrew V. Sutherland (drew(AT)math.mit.edu), May 18 2008