2128896

Appears in sequences

• Expansion of (theta_3(z^4)^3 + theta_2(z^4)^3)^4.at n=34A028697
• Triangle of coefficients of polynomials (rising powers) useful for convolutions of A001333(n+1), n >= 0 (associated Pell numbers).at n=26A062133
• Sum of terms in periodic part of continued fraction expansion of square root of 1+2^n.at n=36A077628
• a(n) = n^2*binomial(2*n, n)*Fibonacci(n)^2.at n=6A119699
• Denominator of the rational number alpha_n involved in the calculation of the second moment of the n-th term of Ulam's "history-dependent random sequence".at n=12A329498
• Irregular triangle read by rows: T(n,k) is the number of n-permutations whose second-longest cycle has length exactly k; n>=0, 0<=k<=floor(n/2).at n=41A349979