49571

Appears in sequences

• a(1) = 1; a(n+1) = sum of terms in continued fraction for the sum of the continued fractions, [a(1); a(2), a(3),...,a(n-1),a(n)] and [a(n); a(n-1), a(n-2),...,a(2), a(1)].at n=24A058081
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 0), (0, 0, -1), (0, 0, 1), (1, 0, 0)}.at n=9A150055
• a(n) = 68*n^2 - 1.at n=26A158730
• Numbers k such that (229*10^k - 1)/3 is prime.at n=25A280272
• Consecutive states of the linear congruential pseudo-random number generator for the Texas Instruments TI99 when started at 1.at n=30A384221