OFFSET
1,3
COMMENTS
LINKS
N. J. A. Sloane, My favorite integer sequences, in Sequences and their Applications (Proceedings of SETA '98).
N. J. A. Sloane, FORTRAN program for A005132, A057167, A064227, A064228
CROSSREFS
KEYWORD
nonn,nice,hard,more
AUTHOR
N. J. A. Sloane, Sep 22 2001
EXTENSIONS
a(8) and a(9) from Allan Wilks, Nov 06, 2001
a(10) > 10^25. - Benjamin Chaffin, Jun 13 2006
a(10) > 4.28*10^73. - Benjamin Chaffin, Mar 22 2010
a(10) > 10^230. - Benjamin Chaffin, 2018
Initial term 0 added by N. J. A. Sloane, Feb 26 2023
STATUS
approved