-801

Appears in sequences

• Inverse binomial transform of primes.at n=11A007442
• Expansion of Product_{m>=1} (1 - m*q^m)^3.at n=20A022663
• Expansion of Product_{m>=1} 1/(1 + m*q^m)^9.at n=7A022701
• Expansion of reciprocal of Hauptmodul for Gamma_0(18).at n=56A092848
• Expansion of q^(-1) * (phi(q) / phi(q^9) - 1) / 2 in powers of q^3 where phi() is a Ramanujan theta function.at n=56A128111
• a(n) = a(n-1) - 81*a(n-2), a(0)=1, a(1)=9.at n=3A133672
• Sequence defined by the recurrence formula a(n+1)=sum(a(p)*a(n-p)+k,p=0..n)+l for n>=1, with here a(0)=1, a(1)=1, k=-1 and l=-1.at n=9A176953
• Expansion of (f(-x^2) / phi(-x^3))^2 in powers of x where phi(), f() are Ramanujan theta functions.at n=28A233034
• Triangle read by rows: T(n,k) appears in the transformation Sum_{k=0..n} (k+1)*x^k = Sum_{k=0..n} T(n,k)*(x+k)^k.at n=53A247236
• Expansion of (1-q)^k/Product_{j=1..k} (1-q^j) for k=8.at n=35A275642
• Expansion of r(q)^3 / r(q^3) in powers of q where r() is the Rogers-Ramanujan continued fraction.at n=28A285628
• Fourier coefficients of the modular form (1/t_{3A}) * sqrt(1 - 108/t_{3A}) * F_{3A}^18.at n=3A341562
• Expansion of 1 / Sum_{k in Z} x^k / (1 - x^(5*k+2)).at n=44A375063