-266

Appears in sequences

• Expansion of Product_{k>=1} (1 - x^k)^22.at n=11A010828
• Expansion of square of continued fraction 1/ ( 1+q/ ( 1+q^2/ ( 1+q^3/ ( 1+q^4/... )))).at n=31A055101
• n - reversal of base 20 digits of n (written in base 10).at n=35A055967
• n - reversal of base 20 digits of n (written in base 10).at n=56A055967
• McKay-Thompson series of class 15b for Monster.at n=39A058513
• Signed Stirling numbers of the second kind.at n=33A080417
• Values of x arising from representations of -n in A102535.at n=22A102778
• G.f. satisfies A(A(x)) = x + 4*x^3, where A(x) = Sum_{n>=0} a(n)*x^(2*n+1).at n=4A107099
• Matrix inverse of A100862.at n=15A107102
• Inverse of number triangle binomial(3n-k,n-k).at n=49A119302
• A nonsense sequence.at n=45A139343
• Triangle read by rows. Signed version of A008277.at n=33A154959
• Irregular triangle with the terms in the Staudt-Clausen theorem for the nonzero Bernoulli numbers multiplied by the product of the associated primes.at n=38A165908
• Triangle T(n,k) which contains 16*n!*2^floor((n+1)/2) times the coefficient [t^n x^k] exp(t*x)/(15 + exp(8*t)) in row n, column k.at n=10A171685
• Irregular triangle read by rows: row n (n > 0) is the expansion of Sum_{m=1..n} A001263(n,m)*x^(m - 1)*(1 - x)^(n - m).at n=36A174128
• Expansion of f(-x^1, -x^7) * f(-x^2, -x^6) / (f(-x^3, -x^5) * f(-x^4, -x^4)) in powers of x where f(, ) is Ramanujan's general theta function.at n=41A226559
• Expansion of f(-x, -x) * f(-x^3, -x^15) / f(-x^6, -x^12)^2 in powers of x where f(,) is Ramanujan's general theta function.at n=37A261251
• Irregular triangle read by rows T(n,m), coefficients in power/Fourier series expansion of an arbitrary anharmonic oscillator's exact phase space angular velocity.at n=15A276814
• Coefficients in the expansion of ([s] + [2s]x + [3s]x^2 + ...)/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = sqrt(3), s = r/(1-r).at n=24A279630
• Expansion of phi(x)^2 * chi(x^2)^4 * f(-x)^2 in powers of x where phi(), chi(), f() are Ramanujan theta functions.at n=35A280339