-1808

Appears in sequences

• Expansion of Product_{j>=1} (1 - x^j)/(1 - x^(3*j))^3.at n=31A286952
• Expansion of 1/(1 + Sum_{i>=1} q^(i^2)/Product_{j=1..i} (1 + q^(2*j))).at n=28A294408
• Alternating row sums of A066448.at n=56A350310
• G.f.: Sum_{n>=0} a(n)*x^n/(n!*3^(n*(n-1)/2)) = log( Sum_{n>=0} x^n/(n!*3^(n*(n-1)/2)) ).at n=4A355070