0,1
Handbook of Combinatorics, North-Holland '95, p. 1963.
Sequence in context: A008486 A135943 A194416 * A194423 A059563 A085126
Adjacent sequences: A036683 A036684 A036685 * A036687 A036688 A036689
nonn,fini
N. J. A. Sloane (njas(AT)research.att.com).