45654

Appears in sequences

• Palindromes with exactly 4 distinct prime factors.at n=22A046394
• Numbers k such that 153*2^k-1 is prime.at n=42A050618
• Numbers k such that the three second-degree cyclotomic polynomials x^2 + 1, x^2 - x + 1 and x^2 + x + 1 are simultaneously prime when evaluated at x=k.at n=26A087277
• Numbers n such that n^2048 + 1 is prime (a generalized Fermat prime).at n=20A088361
• Giza numbers.at n=20A134810
• A triangular sequence of polynomial coefficients: p(x,n) = Sum[m^n*x^m/m!, {m, 0, Infinity}]/(x*Exp[x]); q(x,n)= If[n == 0, 1, p(x, n) + x^n*p(1/x, n)].at n=60A154867
• Giza nonprimes.at n=14A182775
• Number of strictly increasing arrangements of 5 numbers in -(n+3)..(n+3) with sum zero.at n=24A188183
• Palindromes with consecutive digits that differ exactly by 1.at n=40A207954
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 809", based on the 5-celled von Neumann neighborhood.at n=35A273612
• p-INVERT of (0,1,0,1,0,1,...), where p(S) = 1 - 2 S - 2 S^2.at n=9A291228