29489

Appears in sequences

• Numbers k such that 291*2^k + 1 is prime.at n=33A053362
• Boustrophedon transform of the continued fraction of Pi (cf. A001203).at n=7A080406
• Numbers k such that 2*k+1, 3*k+2, 4*k+3 and 5*k+4 are primes.at n=27A138700
• Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all 1's connected only in a 1001-1111-1000 pattern in any orientation.at n=17A146843
• a(0)=0, a(1)=1, a(n)=(a(n-1) XOR n) + a(n-2).at n=21A182509
• Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = 6/5.at n=48A279778
• Number of permutations of [n] avoiding {4231, 2341, 4123}.at n=10A294771
• Odd composite integers m such that U(m)^2 == 1 (mod m) and V(m) == 4 (mod m), where U(m) and V(m) are the m-th generalized Lucas and Pell-Lucas numbers of parameters a=4 and b=-1, respectively.at n=36A337627
• Odd composite integers m such that A000032(3*m-J(m,5)) == 3*J(m,5) (mod m), where J(m,5) is the Jacobi symbol.at n=33A339724
• Odd composite integers m such that A000045(3*m-J(m,5)) == 1 (mod m), where J(m,5) is the Jacobi symbol.at n=36A340235
• Numbers k of the form (x + y)*(x^2 + y^2) such that (x + y) and (x^2 + y^2) are primes.at n=37A349202
• Consecutive states of the linear congruential pseudo-random number generator 259*s mod 2^15 when started at s=1.at n=28A384194