1,1

Every number appears except 1, 2, and 4.

Lars Blomberg, Table of n, a(n) for n = 1..3000

Cf. A316841, A316842, A316852.

a(n) = A316843(n)+A316844(n)+A316845(n).

Sequence in context: A305443 A122818 A070083 * A196778 A195770 A196008

Adjacent sequences: A316848 A316849 A316850 * A316852 A316853 A316854

nonn,look

N. J. A. Sloane, Jul 23 2018

approved