1,9

Hugo Pfoertner, Table of n, a(n) for n = 1..4096 (first 511 terms from Rainer Rosenthal)

Cf. A003149, A324495, A324497.

Sequence in context: A152723 A237497 A281191 * A137454 A030613 A092984

Adjacent sequences: A324493 A324494 A324495 * A324497 A324498 A324499

nonn,frac,more

Hugo Pfoertner, Mar 05 2019

a(33)-a(64) from Rainer Rosenthal, Mar 07 2019

More terms from Rainer Rosenthal, Mar 19 2019

approved