OFFSET
1,1
COMMENTS
The first 15 terms are immediately calculated from A320878(1..200) using the formula.
LINKS
Lars Blomberg, Table of n, a(n) for n = 1..445 (Terms < 10^14)
Carlos Rivera, Puzzle 163. P+SOD(P)
FORMULA
PROG
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Zak Seidov and M. F. Hasler, Nov 08 2018
EXTENSIONS
a(16)-a(20) from Lars Blomberg, Feb 10 2019
STATUS
approved