23106

Appears in sequences

• Coordination sequence for C_3 lattice: a(n) = 16*n^2 + 2 (n>0), a(0)=1.at n=38A010006
• Number of integer-sided hexagons having perimeter n.at n=35A124286
• a(n) = floor((3^n)/(2*n - 1)).at n=11A191632
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 406", based on the 5-celled von Neumann neighborhood.at n=41A271772
• Number of multiples of n which have only distinct and nonzero digits in base 10.at n=38A328287
• Numbers k such that k and k+1 are both binary Moran numbers (A334344).at n=19A334345