39360

Appears in sequences

• Row sums of coefficients of Bernoulli twin number polynomials.at n=7A129378
• Triangle T(n, k) = n*( (n-1)! - (k-1)! ), read by rows.at n=33A137259
• Indices k such that A020507(k)=Phi[k](-8) is prime, where Phi is a cyclotomic polynomial.at n=41A138922
• Indices k such that A019326(k)=Phi[k](8) is prime, where Phi is a cyclotomic polynomial.at n=39A138938
• Positive integers n such that n^2 = (x^4 - y^4)*(z^4 - t^4) where the pairs of integers (x,y) and (z,t) are not proportional.at n=29A147854
• Least number m such that floor((3^n-m)/(2^n-m)) > floor(3^n/2^n).at n=43A153725
• Numbers with prime factorization pqrs^6.at n=20A190292
• Number of bases to which terms of A194946 are pseudoprime.at n=24A195327
• Sequence of coefficients of x in marked mesh pattern generating function Q_{n,132}^(3,0,-,0)(x).at n=8A213163
• Periods associated with A217611.at n=39A217646
• Count of the first 10^n primes containing at least one 5's digit.at n=4A231792
• q-Pell numbers with q=2.at n=8A241497
• Number of nX2 arrays containing 2 copies of 0..n-1 with no element plus any horizontal neighbor equal to n-1.at n=4A265879
• T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element plus any horizontal neighbor equal to n-1.at n=19A265882
• Triangle read by rows, T(n,k) = ((-1)^k*(2*n)!/4^k)*P[n,k](1/((2*n-1)*(2*n))) where P is the inverse P-transform, for n>=0 and 0<=k<=n.at n=17A269943
• p-INVERT of the odd positive integers, where p(S) = 1 - S^2.at n=10A292480
• a(n) = n*((4*n + 1)*(7*n - 4) + 15*n*(-1)^n)/48.at n=40A302766
• Coefficients of q-expansion of Eisenstein series G_{9/2}(tau) multiplied by 240.at n=17A306936
• Triangle read by rows: T(n,k) is the number of polygons with 2*n sides, of which k run through the center of a circle, on the circumference of which the 2*n vertices of the polygon are arranged at equal spacing.at n=17A330662
• a(n) = A351477(n) * FA where F is the Fermat point of a primitive integer-sided triangle ABC with A < B < C < 2*Pi/3 and FA + FB + FC = A336329(n).at n=3A351801