34121

Appears in sequences

• Numbers k such that k and k^2 use only the digits 1, 2, 3, 4 and 6.at n=25A136969
• 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, 0), (-1, 0, 1), (0, 1, 1), (1, -1, -1), (1, 1, 0)}.at n=8A150486
• Numbers k for which there are no prime numbers in the range (k-4*sqrt(sqrt(k)), k].at n=38A192320
• Number of -3..3 arrays x(i) of n+1 elements i=1..n+1 with x(i)+x(j), x(i+1)+x(j+1), -(x(i)+x(j+1)), and -(x(i+1)+x(j)) having one, three or four distinct values for every i<=n and j<=n.at n=4A211503
• Expansion of exp( Sum_{n>=1} -sigma_2(3*n)*x^n/n ) in powers of x.at n=12A283243
• a(n)^2 is the least possible value at the root of a binary tree of height n where all nodes hold positive squares and all interior nodes also equal the sum of their two children.at n=14A309167
• Expansion of (1 - x - x^5)/((1 - x - x^5)^2 - 4*x^6).at n=21A375284
• Consecutive states of the linear congruential pseudo-random number generator (257*s + 41) mod 2^16 when started at s=1.at n=8A384961