79201

Properties

Appears in sequences

• a(n) = 20*a(n-1) - a(n-2).at n=4A001085
• Numerators of continued fraction convergents to sqrt(11).at n=7A041014
• Numerators of continued fraction convergents to sqrt(44).at n=15A041074
• Numerators of continued fraction convergents to sqrt(99).at n=7A041178
• Numerators of continued fraction convergents to sqrt(176).at n=7A041324
• Numerators of continued fraction convergents to sqrt(275).at n=11A041516
• Numerators of continued fraction convergents to sqrt(396).at n=7A041752
• Numerators of continued fraction convergents to sqrt(704).at n=7A042354
• Numbers k such that 47^k - 46^k is prime.at n=6A062613
• Primes of the form 2*p^2 - 1, where p is prime.at n=18A092057
• Primes of the form 22*(n^2)+1.at n=26A117049
• a(n) = ChebyshevT(4, n).at n=10A144130
• Primes of the form T_4(n), where T_4(x) = 8x^4 - 8x^2 + 1 is the fourth Chebyshev polynomial (of the first kind).at n=4A144131
• a(n) = 1250*n^2 - 100*n + 1.at n=7A154374
• Primes of the form 648*k^2 + 72*k + 1.at n=5A154510
• a(n) = 648*n^2 + 72*n + 1.at n=10A154515
• a(n) = 10368*n^2 - 4896*n + 577.at n=2A157267
• a(n) = 128*n^2 - 32*n + 1.at n=24A157331
• a(n) = 128*n^2 + 2528*n + 12481.at n=14A157436
• a(n) = 5000*n^2 - 200*n + 1.at n=3A157516