39202

Appears in sequences

• Companion Pell numbers: a(n) = 2*a(n-1) + a(n-2), a(0) = a(1) = 2.at n=12A002203
• a(n) = 6*a(n-1) - a(n-2), with a(0) = 2, a(1) = 6.at n=6A003499
• a(0) = 1, a(n) = 32*n^2 + 2 for n > 0.at n=35A010021
• Numerators of continued fraction convergents to sqrt(128).at n=5A041232
• Row 3 of A007754.at n=32A058794
• a(n) = 14*a(n-1) + a(n-2), starting with a(0) = 2 and a(1) = 14.at n=4A090300
• Expansion of (1+x^2)/(1-2*x-x^2).at n=12A099425
• A number triangle associated with the Chebyshev polynomials of the first kind.at n=59A101161
• Square array T(M,N) read by antidiagonals: number of dimer tilings of a 2M x 2N Klein bottle.at n=34A103999
• a(n) = C(n,8) + C(n,7) + C(n,6) + C(n,5) + C(n,4) + C(n,3) + C(n,2) + C(n,1).at n=16A116690
• Triangle, diagonals generated from Lucas polynomials.at n=48A118007
• Product of twin primes minus 1.at n=14A120875
• a(n) = n^3 - 3*n.at n=34A121670
• A nonsense sequence.at n=11A122577
• Numbers n such that P+n is not irreducible, where P = x^8 - 8*x^6 + 20*x^4 - 16*x^2 + 2.at n=10A136362
• Expansion of (1+6*x+x^2-2*x^3)/((x^2+2*x-1)*(x^2-2*x-1)), bisection is NSW numbers.at n=11A159582
• a(1)=4, a(2)=6; for n > 2, a(n) = 2*a(n-1) + a(n-2) - 4*((n-1) mod 2).at n=11A162485
• Base 10 integers n such that n base 7 is a substring of n base 3.at n=15A164700
• Numbers such that floor(a(n)^2 / 8) is again a square.at n=14A204514
• Smallest number m such that A176352(m) = n.at n=46A218454