340560

Appears in sequences

• a(n) = ((n+3)!/2)*Sum_{k=1..n} (-1)^(k+1)/(k+3).at n=6A024189
• Coefficients in expansion of -q*E'_10/E_10 where E_10 is the Eisenstein Series (A013974).at n=1A289639
• Coefficients of q-expansion of Eisenstein series G_{9/2}(tau) multiplied by 240.at n=32A306936