OFFSET
1,3
COMMENTS
See A362331 for the j-values.
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..13426
PROG
(PARI) is(i, j) = { while (i && j, if (i%3==1 && j%3==1, return (0), i\=3; j\=3; ); ); return (1); }
row(ij) = select(i -> !is(i, ij-i), [0..ij])
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Rémy Sigrist, Apr 16 2023
STATUS
approved