28535

Appears in sequences

• Numbers k such that 209*2^k+1 is prime.at n=19A032481
• Convolution of Fibonacci F(n+1), n>=0, with F(n+4), n>=0.at n=14A067332
• a(n) = 169*n^2 - 2*n.at n=12A158218
• Number of partitions of n such that m(1) = m(3), where m = multiplicity.at n=51A240058
• a(n) = n^4 - 2n.at n=13A246767
• Coefficients in the expansion of 1/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = sqrt(2).at n=43A279587
• Expansion of Sum_{p prime, i>=2} x^(p^i)/(1 - x^(p^i)) / Product_{j>=1} (1 - x^j).at n=36A281611
• Number of nX7 0..1 arrays with every element unequal to 0, 1, 2, 6 or 7 king-move adjacent elements, with upper left element zero.at n=7A305039
• Expansion of 1/(1 - x - x^2/(1 - x^2 - x^3/(1 - x^3 - x^4/(1 - x^4 - x^5/(1 - ...))))), a continued fraction.at n=17A306575
• Number of ordered subsequences of {1,...,n} containing at least three elements and such that the first differences contain only odd numbers.at n=19A344004