-159

Appears in sequences

• From fundamental unit of Z[ (-d)^{1/4} ], where d runs over positive integers not of the form 4*k^4.at n=38A006828
• Expansion of e.g.f. tanh(exp(x)*x).at n=5A009768
• Expansion of Product_{m>=1} ((1+q^(2*m-1))/(1+q^(2*m)))^3.at n=22A029840
• Expansion of cube of continued fraction 1/ ( 1+q/ ( 1+q^2/ ( 1+q^3/ ( 1+q^4/... )))).at n=16A055102
• McKay-Thompson series of class 15b for Monster.at n=34A058513
• Expansion of (1-x)^(-1)/(1+x-2*x^3).at n=22A077904
• Satisfies f(x*f(x)) = exp(x), where f(x)=sum(n=0,infinity, a(n)*x^n/n!).at n=4A087961
• Expansion of eta(q^2) * eta(q^30) / (eta(q^3) * eta(q^5)) in powers of q.at n=59A094022
• Expansion of (eta(q) * eta(q^39)) / (eta(q^3) * eta(q^13)) in powers of q.at n=71A094363
• a(n) = Sum_{k=0..n} A105595(k)*(-1)^k*A105595(n-k) (interpolated zeros suppressed).at n=26A105596
• Expansion of a modular function for Gamma(7).at n=60A108482
• McKay-Thompson series of class 44b for the Monster group.at n=51A112184
• Denominators of the convergents of the 2-adic continued fraction of zero given by A118821.at n=64A118823
• Denominators of the convergents of the 2-adic continued fraction of zero given by A118824.at n=64A118826
• Denominators of the convergents of the 2-adic continued fraction of zero given by A118827.at n=64A118829
• Denominators of the convergents of the 2-adic continued fraction of zero given by A118830.at n=64A118832
• Alternating row sums of triangle A049352 (S1p(4)).at n=4A134137
• Array read by antidiagonals: T(n,k) = T(n-1,k) + T(n,k+1) - T(n,k+2).at n=73A138197
• Triangle T(n, k, q) = q^k*Q(k, n, q), with T(0, 0, q) = -2, where Q(k, n, q) = (1/q)*( -Q(k-1, n, q) + (1+q)*p(q, k-1)^n), Q(k, 0, q) = -q*(1+q)^n, p(q, n) = Product_{j=1..n} ( (1-q^k)/(1-q) ), and q = 2, read by rows.at n=12A156222
• Coefficients of the polynomial from factoring (x^167+1)/(x+1) modulo 2 gives: p(x)=1 + x + x^4 + x^6 + x^8 + x^10 + x^12 + x^13 + x^17 + x^19 + x^23 + x^24 + x^25 + x^26 + x^27 + x^29 + x^31 + x^32 + x^33 + x^35 + x^36 + x^40 + x^42 + x^45 + x^46 + x^47 + x^49 + x^50 + x^52 + x^53 + x^56 + x^59 + x^60 + x^62 + x^64 + x^67 + x^70 + x^71 + x^73 + x^76 + x^78 + x^81 + x^83.at n=49A158032