57609

Appears in sequences

• Starting positions of strings of four 4's in the decimal expansion of Pi.at n=1A083616
• Number of integer partitions of n whose length is not a semi-sum of the parts.at n=46A367398
• Numbers X such that X^2 + Y^2 = 3^(2*k) + 1 and X > Y > 0 and k is the ternary digit length of X-1.at n=20A369768