0,2

Table of n, a(n) for n=0..17.

a(n) = k for which A230655(n) = A003136(k).

a(3) = 21 because A230655(3) = A003136(21) = 49.

Cf. A003136 (Loeschian numbers), A230655, A075880 (similar sequence for square lattice)

Sequence in context: A240147 A293687 A190117 * A266950 A328689 A039777

Adjacent sequences: A230653 A230654 A230655 * A230657 A230658 A230659

nonn,more

Hugo Pfoertner, Oct 27 2013

approved