-1349

Appears in sequences

• Start with 1, add the next number if one gets a prime then add the next number else subtract the next...at n=53A074170
• Expansion of -x*(8*x^2-4*x+1) / ((2*x-1)*(4*x^2-x+1)).at n=11A112260
• Triangle read by rows: n-th row (n>=0) gives coefficients of characteristic polynomial of n X n generalized Cartan matrix M defined in Comments.at n=48A136678
• Numerator of Hermite(n, 1/30).at n=3A160291
• Values of n such that L(4) and N(4) are both prime, where L(k) = (n^2+n+1)*2^(2*k) + (2*n+1)*2^k + 1, N(k) = (n^2+n+1)*2^k + n.at n=24A226924
• Site percolation series for square lattice: coefficients of the power series expansion in powers of q=1-p of the probability that a given site (not assumed to be open) belongs to the infinite cluster, where p is the probability that a site is open.at n=12A391388