OFFSET
0,3
COMMENTS
See Riordan [1980] for details.
LINKS
John Riordan, Letter to N. J. A. Sloane, Sep 26 1980 with notes on the 1973 Handbook of Integer Sequences. Note that the sequences are identified by their N-numbers, not their A-numbers.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jan 11 2018
STATUS
approved