1,3

Table of n, a(n) for n=1..11.

Sean A. Irvine, Illustration of initial terms

Sean A. Irvine, Java program (github)

Cf. A336544.

Sequence in context: A190818 A330444 A253949 * A126101 A308478 A157994

Adjacent sequences: A336542 A336543 A336544 * A336546 A336547 A336548

nonn,more

Sean A. Irvine, Jul 25 2020

approved