31207

Appears in sequences

• Fibonacci sequence beginning 1, 31.at n=16A022401
• Sum of squares of first n positive integers congruent to 1 mod 3.at n=21A024215
• Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,3,2.at n=7A037611
• Number of nonempty subsets of {1, 2, ..., n} with <=10 pairwise coprime elements.at n=29A187271
• Number of lower triangular n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any horizontal, vertical or antidiagonal neighbor, and containing the value n(n+1)/2-2.at n=21A211924
• Number of length 3 0..n arrays with each partial sum starting from the beginning no more than sqrt(3) standard deviations from its mean.at n=31A244942
• Records in A098550.at n=47A248647
• Sequence of distinct least positive numbers such that the average of the first n terms is a Fibonacci number.at n=29A248982
• Numbers k such that w(k), w(k+1), and w(k+2) are all odd, where w is A360519.at n=11A361106