34307

Appears in sequences

• Number of factorization patterns of polynomials of degree n over F_4.at n=23A006169
• Numbers k such that z(k) = j(k), where z(k) = sopf(k - d(k)), j(k) = d(sopf(k) + k), sopf(k) = A008472(k) and d(k) = A000005(k).at n=31A063961
• Product of Fibonacci and (shifted) triangular numbers.at n=14A086926
• Pellonomial triangle P(k,n) read by rows.at n=31A099927
• Pellonomial triangle P(k,n) read by rows.at n=32A099927
• a(n) = Pell(n) * Pell(n-1) * Pell(n-2) / 10.at n=4A099930
• a(n) = Pell(n) * Pell(n-1) * Pell(n-2) * Pell(n-3) / 120.at n=3A099931
• Numbers n such that 5*10^n + 6*R_n - 3 is prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=20A103017
• Duplicate of A099927.at n=31A139332
• Duplicate of A099927.at n=32A139332
• Magic sums of 3 X 3 semimagic squares composed of odd squares.at n=14A269297
• Triangle T(n,k), n >= 0, 0 <= k <= n, read by rows, where T(n,k) = (-1)^floor((k+1)/2) * A099927(n,k).at n=31A383715
• Triangle T(n,k), n >= 0, 0 <= k <= n, read by rows, where T(n,k) = (-1)^floor((k+1)/2) * A099927(n,k).at n=32A383715
• Expansion of (1/x) * Series_Reversion( x * (1 - x^2 * (1 + x)^3) ).at n=11A389295
• a(n) = Sum_{k=0..n} floor((k/2)^2)*n^2. Row sums of A391996.at n=13A391997