-5043

Appears in sequences

• a(n+3) = 2a(n+2) - 3a(n+1) + 2a(n); a(0) = 1, a(1) = 3, a(2) = 4.at n=29A105579
• a(n) = ceiling( 4^n/20 - (n^2 + 1)*2^(n-1) ).at n=8A188162
• Values of n such that L(15) and N(15) are both prime, where L(k) = (n^2+n+1)*2^(2*k) + (2*n+1)*2^k + 1, N(k) = (n^2+n+1)*2^k + n.at n=51A227518
• First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 133", based on the 5-celled von Neumann neighborhood.at n=41A270235
• Expansion of Sum_{k>=1} x^k/(1 + k*x^k).at n=29A308367