22583

Appears in sequences

• Discriminants of quintic fields with 2 complex conjugates (negated).at n=40A023684
• a(n) = 1123 + 21460*n.at n=1A069984
• Number of binary strings of length n with no substrings equal to 000, 001, or 010.at n=25A164316
• Number of arrangements of n+1 numbers x(i) in -7..7 with the sum of x(i)*x(i+1) equal to zero.at n=3A188356
• Number of arrangements of 5 numbers x(i) in -n..n with the sum of x(i)*x(i+1) equal to zero.at n=6A188360
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 910", based on the 5-celled von Neumann neighborhood.at n=42A273764
• Number of simple graphs on n vertices up to homotopy equivalence.at n=21A331554