135597domain: NAppears in sequencesNumbers of unstrained alkane staggered conformers (acyclic). See Table 4 of Cyvin et al. reference for precise definition.at n=12A126880a(n) = (1/2)*(n^4 + 11*n^3 + 53*n^2 + 97*n + 54).at n=21A129026Expansion of e.g.f. Product_{k>=1} 1/(1 - (exp(x) - 1)^k/k).at n=7A305986