1,1
Netnews group rec.puzzles, circa Mar 01 1996 (I would like to get the exact reference).
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
Cf. A008950, A008996. Also A008995(n) = A000101(n+1)-1.
Sequence in context: A103457 A083587 A061639 this_sequence A111236 A164361 A006907
Adjacent sequences: A008992 A008993 A008994 this_sequence A008996 A008997 A008998
nonn
Mark Cramer (m.cramer(AT)qut.edu.au). Computed by Dennis Yelle (dennis(AT)netcom.com).
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