1,2

Table of n, a(n) for n=1..41.

a(1) = Im(z= 1) with sigma(z) = 1 and m = 1.

a(2) = Im(z= 1+3i) with sigma(z) = 5+5i and m = 2-i.

a(3) = Im(z= 6+2i) with sigma(z) = -10-10i and m = -1+2i.

a(4) = Im(z= 5+5i) with sigma(z) = 20i and m = 2+2i.

a(5) = Im(z= 10+10i) with sigma(z) = -40+20i and m = -1+3i.

a(6) = Im(z= 12+18i) with sigma(z) = -12+60i and m = 2+2i.

a(9) = Im(z= 28+88i) with sigma(z) = -204-32i and m = -1+2i.

Cf. A100884, A100889, A100890.

Sequence in context: A128914 A050063 A274761 * A209199 A215328 A107298

Adjacent sequences: A100882 A100883 A100884 * A100886 A100887 A100888

nonn,more

Yasutoshi Kohmoto

Edited, all values replaced by R. J. Mathar, Mar 12 2010

a(10)-a(41) from Amiram Eldar, Feb 10 2020

approved