41810

Appears in sequences

• Fibonacci sequence beginning 0, 10.at n=19A022093
• Trajectory of 1 under map n->19n+1 if n odd, n->n/2 if n even.at n=32A033966
• Trajectory of 3 under map n->19n+1 if n odd, n->n/2 if n even.at n=23A037107
• Number of upward triangles in a Star of David matchstick arrangement of size n.at n=20A045950
• Binomial transform of n*F(n).at n=10A117202
• Row sums of A128619.at n=18A128620
• Expansion of g.f. 1/((1-x)^2*(1 - 3*x + 2*x^2 - x^3)).at n=11A137234
• Left border of triangle A137680.at n=13A137682
• Numbers which are the sum of two squared primes in exactly four ways (ignoring order).at n=14A226599
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 633", based on the 5-celled von Neumann neighborhood.at n=32A273301
• Number of unlabeled rooted trees with n nodes where the multiplicities in the multiset of branches under any given node are distinct.at n=18A316796
• G.f. A(x) satisfies: A(x) = (1 - x*A(x)) * Sum_{n>=0} x^n*A(x)^n / (1 - x*A(x)^(n+1)).at n=9A340892