OFFSET
1,4
COMMENTS
See A362327 for the i-values.
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..16464
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) = apply (i -> ij-i, select(i -> is(i, ij-i), [0..ij]))
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Rémy Sigrist, Apr 16 2023
STATUS
approved