OFFSET
1,4
COMMENTS
Records occur at n = 1, 4, 12, 30, 35, 56, 66, 132, 145, 208, 276, 279, 469, ...
LINKS
FORMULA
PROG
CROSSREFS
KEYWORD
nonn,less
AUTHOR
Antti Karttunen, Jan 15 2020
STATUS
approved