106920

Appears in sequences

• Expansion of (eta(q) * eta(q^9))^12 in powers of q.at n=30A034436
• a(n) = 18n^3 + 6n^2.at n=18A087887
• Area of the Pythagorean triangle a = u^2 - v^2 (cf. A096382) when u=3, v=4,4,5,...at n=29A096383
• Triangle T(n,k) = Sum_{i=0..k} (-1)^(i+k)*binomial(k,i)*Sum_{j=0..n} (i+1)^j*(3n-3j+1) read by rows.at n=39A116923
• The sequence of coefficients of a polynomial recursion: p(x,n)=If[Mod[n, 2] == 0, (x + 1)*p(x, n - 1), (x^2 + (2*n)*x + 1)^Floor[n/2]].at n=58A171147
• G.f.: Sum_{n>=0} (3*n+2)^n * x^n / (1 + (3*n+2)*x)^n.at n=5A187739
• Numbers with prime factorization pqr^3s^5.at n=11A190475
• Molecular topological indices of the triangular graphs.at n=10A192849
• Sum of odd divisors of Fibonacci(n).at n=26A193293
• Starting position of the first occurrence of a string of 2^n in the decimal expansion of Pi.at n=16A194351
• Number of n X 5 0..1 arrays with each 1 adjacent to 3 or 4 king-move neighboring 1's.at n=7A296112