0,3
Handbook of Combinatorics, North-Holland '95, p. 1963.
Sequence in context: A088762 A138827 A173730 * A034744 A121352 A134126
Adjacent sequences: A036682 A036683 A036684 * A036686 A036687 A036688
nonn,fini
N. J. A. Sloane (njas(AT)research.att.com).