OFFSET
1,2
COMMENTS
Included in accordance with OEIS policy of listing published but incorrect sequences, with pointers to the correct versions.
LINKS
Morton Abramson and David Promislow, Enumeration of arrays by column rises, J. Combinatorial Theory Ser. A 24(2) (1978), 247--250. MR0469773 (57 #9554); see p. 250.
CROSSREFS
KEYWORD
dead
STATUS
approved