25381

Appears in sequences

• Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MTW = ZSM-12 Nan[AlnSi28-nO56] starting with a T6 atom.at n=13A019194
• Numbers k such that 215*2^k+1 is prime.at n=10A032484
• Number of n-node triangulations of the sphere with minimal degree 5.at n=21A081621
• a(n) = (n^3 + 3*n - 2)/2.at n=36A132127
• Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 01000-11100-00111-00010 pattern in any orientation.at n=12A147337
• Number of (n+2) X 6 0..2 arrays with every 3 X 3 subblock commuting with each horizontal and vertical neighbor 3 X 3 subblock.at n=8A186563
• Number of (n+2) X 4 0..3 arrays with every 3 X 3 subblock commuting with each horizontal and vertical neighbor 3 X 3 subblock.at n=7A186874
• Number of (n+2)X10 0..3 arrays with every 3X3 subblock commuting with each horizontal and vertical neighbor 3X3 subblock.at n=1A186880
• Numerator of h(n+5) - h(n) where h(n) = Sum_{k=1..n} (1/k) are the Harmonic numbers.at n=9A189998
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 499", based on the 5-celled von Neumann neighborhood.at n=31A272562
• a(n) is the index of the Stieltjes constant at the beginning of the first set of exactly n successive constants of the same sign.at n=15A354878
• a(n) = 4*n^3 - 6*n^2 + 6*n - 2 + (-1)^n.at n=18A382973