53325

Appears in sequences

• a(n+1) = a(n)^2 - n^2, a(1) = 0.at n=6A143779
• Terms in A046034 which are pairwise products of terms in A046034.at n=34A153446
• Number of binary strings of length n with no substrings equal to 0001 0101 or 1110.at n=24A164475
• a(n) = 9*a(n-1) - 2*a(n-2), with a(0)=0, a(1)=1.at n=6A190979
• Numbers whose digits are prime and which retain this property when multiplied by some 1-digit prime (i.e., one of 2, 3, 5 or 7).at n=24A227922
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 483", based on the 5-celled von Neumann neighborhood.at n=41A267829
• a(1) = 1; a(n+1) = Sum_{k=1..n} lcm(a(k),a(n))/a(n).at n=30A287006