81488

Appears in sequences

• G.f. satisfies: A(x) = 1/AGM(1, 1 - 8*x/A(x) ).at n=20A158100
• G.f. satisfies: A(x^2) = -4*x + 1/AGM(1, 1 - 8*x/(A(x^2) + 4*x) ).at n=10A158101
• The smallest k such that the number of steps in the n Collatz sequences starting at k+i, i=0..n-1, is always prime.at n=24A174538
• The smallest k such that the number of steps in the n Collatz sequences starting at k+i, i=0..n-1, is always prime.at n=25A174538
• The smallest k such that the number of steps in the n Collatz sequences starting at k+i, i=0..n-1, is always prime.at n=26A174538
• Numbers k such that (19*10^k + 191)/3 is prime.at n=24A280632