1,1

Row length numbers of A273164.

With the Jan 05 2004 Jovovic comment on A078703 a(n) is also the number of divisors +1 as well as -1 (mod 4) of A091236(n). See the example section of A273164.

Table of n, a(n) for n=1..70.

a(n) = number of divisors of A091236(n)(nonprime numbers 3 (mod 4)).

Cf. A078703, A091236, A273164.

Sequence in context: A332025 A212300 A165074 * A336313 A095139 A109038

Adjacent sequences: A273162 A273163 A273164 * A273166 A273167 A273168

nonn,easy

Wolfdieter Lang, Jul 29 2016

approved