-198

Appears in sequences

• Expansion of Product_{k >= 1} (1 - x^k)^6.at n=25A000729
• Expansion of q^(-1/2) * (eta(q) * eta(q^3))^3 in powers of q.at n=58A030208
• Expansion of q^(-1/2) * (eta(q) * eta(q^2))^4 in powers of q.at n=20A030211
• Image of primes (A000040) under "little Hankel" transform that sends [c_0, c_1, ...] to [d_0, d_1, ...] where d_n = c_n^2 - c_{n+1}*c_{n-1}.at n=25A056221
• Hankel transform of number of divisors sequence (A000005).at n=12A056225
• McKay-Thompson series of class 20e for Monster.at n=52A058560
• Expansion of (1-x-x^N)/((1-x)(1-x^2)(1-x^3)...(1-x^N)) for N = 7.at n=27A060026
• n-th prime minus its reversal.at n=26A068396
• n-th prime minus its reversal.at n=43A068396
• n-th prime minus its reversal.at n=39A068396
• n-th prime minus its reversal.at n=37A068396
• n-th prime minus its reversal.at n=29A068396
• Product of Lucas numbers and inverted Lucas numbers: a(n)=A000032(n)*A075193(n).at n=5A075269
• Signed version of A035607.at n=47A080246
• First order recursion: a(0)=1; a(n) = sigma(1,n) - a(n-1).at n=35A083238
• Inverse of binomial transform of Whitney triangle.at n=24A097761
• Differences between A097598 and A045918.at n=20A097846
• Expansion of (1 - x + x^2)*(1 + x + x^2 - x^3 + 2*x^4)/((1 - x)*(1 + x)^2*(1 + x^2)*(1 + x - x^2 + x^3)).at n=7A104237
• Riordan array (1/(1+3x+2x^2),x/(1+3x+2x^2)).at n=17A111806
• Triangle T, read by rows, where row n of T equals row n of matrix (n+1)-th power of triangle A112555.at n=40A113287