1,2

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

Letter from the editor, J. Rec. Math., 3 (1970), 40-41.

Sequence in context: A092883 A134495 A165938 this_sequence A155205 A045529 A077747

Adjacent sequences: A002779 A002780 A002781 this_sequence A002783 A002784 A002785

nonn,base,nice

N. J. A. Sloane (njas(AT)research.att.com).