-1241

Appears in sequences

• Matrix inverse, read by rows, of triangle A104029, which forms the pairwise sums of trinomial coefficients.at n=17A104030
• G.f.: exp( Sum_{n>=1} A002129(n^2)*x^n/n ), where A002129(n) is the excess of sum of odd divisors of n over sum of even divisors of n.at n=26A225925