25165825

Appears in sequences

• a(0) = 1; thereafter a(n) = 3*2^(n-1) + 1.at n=24A004119
• a(1) = 2, a(2) = 4; a(n) = 2*a(n-1) - 1.at n=24A103204
• a(n) = 3*2^n + 1.at n=23A181565
• a(n) = 6*4^n + 1.at n=11A199116
• a(n) = a(n-1) + 2*a(n-2) with n>1, a(0)=2, a(1)=7.at n=23A201630
• Half the number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock having exactly two distinct clockwise edge differences.at n=5A209529
• Half the number of (n+1) X 7 0..2 arrays with every 2 X 2 subblock having exactly two distinct clockwise edge differences.at n=5A209532
• a(0) = 1, a(n+1) = 2*a(n) + periodic sequence of length 2: repeat [5, -4].at n=23A280173
• a(0) = 3, a(n+1) = 2*a(n) + periodic sequence of length 2: repeat [1, -2].at n=23A280345
• Number of (not necessarily maximal) cliques in the n-folded cube graph.at n=20A295921
• Minimum m such that the convergence speed of m^^m is equal to n >= 2, where A317905(n) represents the convergence speed of m^^m (and m = A067251(n), the n-th non-multiple of 10).at n=21A337392
• a(n) is the smallest integer k greater than 1 and not a perfect power satisfying A373387(k^n) = n.at n=22A381949