56930852179
domain: N
Appears in sequences
- Numerators of continued fraction convergents to sqrt(10).at n=14A005667
- Numerators of continued fraction convergents to sqrt(40).at n=13A041066
- Numerators of continued fraction convergents to sqrt(90).at n=13A041160
- Numerators of continued fraction convergents to sqrt(360).at n=13A041682
- Chebyshev T(n,19) polynomial.at n=7A078986
- a(n) = 6*a(n-2) + a(n-4), where a(0) = 3, a(1) = 5, a(2) = 19, a(3) = 31.at n=26A228471
- 64*n^7 - 112*n^5 + 56*n^3 - 7*n.at n=19A243133
- Positive numbers m such that m^2 with last digit z deleted is still a perfect square k^2, and z divides m-k.at n=14A343034