136192

Appears in sequences

• a(n) = 4^(n-2)*n*(5*n+3)/2.at n=7A084901
• a(n) = ((7 + sqrt(5))^n - (7 - sqrt(5))^n)/(2*sqrt(5)).at n=5A153884
• Numbers with 44 divisors.at n=23A175751
• Molecular topological index of the n-antiprism graph.at n=31A192791
• Irregular triangle read by rows: normalized dimensions of certain generalized quadratic residue codes of length n.at n=57A287879
• Expansion of Product_{k>=1} (1 + 2^(k-1)*x^k).at n=15A304961
• Expansion of 1/theta_4(1/theta_4(x) - 1), where theta_4() is the Jacobi theta function.at n=7A307526
• Irregular triangle T(n,k) read by rows in which n-th row lists in colex order all series-reduced tree degree sequences D of n nodes encoded as t = Product_{d in D} prime(d); n >= 4, 1 <= k <= A002865(n-2).at n=31A345970