46819

Properties

Appears in sequences

• Fractional part of 1/(1-tanh(n)) decreases monotonically to zero.at n=12A079040
• Primes of the form 2*n^2+1.at n=24A090698
• a(n)*a(n-5) = a(n-1)*a(n-4)+a(n-2)+a(n-3), with initial terms a(1) = ... = a(5) = 1.at n=17A092264
• Larger of two consecutive primes whose sum is a square.at n=20A118591
• Larger member of twin prime pairs whose sum is a square.at n=10A118593
• Twin prime pairs that sum to a power.at n=25A119768
• Number of non-isomorphic (i.e., defined up to a rotation and a reflection) maximal independent sets of the n-cycle graph having 2n isomorphic representatives.at n=54A127683
• Number of non-isomorphic maximal independent sets of the n-cycle graph having no symmetry axis.at n=54A127686
• Prime numbers of the form n*b^n + 1, where b, n >= 2.at n=29A178541
• Twin prime pairs which sum to perfect squares.at n=21A232878
• Primes containing nonprime digits (from 1 to 9) in their decimal expansion and whose digits are distinct, i.e., consisting of only digits 1, 4, 6, 8, 9.at n=24A323391
• Primes prime(k) such that 2*(prime(k)^2 - prime(k-1)^2) is a perfect square.at n=22A335410
• Prime numbersat n=4838