39192

Appears in sequences

• Numbers k such that the sum of first k Catalan numbers is a prime.at n=11A134775
• Numbers k such that there are 10 digits in k^2 and for each factor f of 10 (1, 2, 5) the sum of digit groupings of size f is a square.at n=16A153748
• Number of 8X8 arrays of squares of integers, symmetric under 90 degree rotation, with all rows summing to n.at n=23A156397
• a(n) = (2*n+23)*n*(n-1), a coefficient appearing in the formula a(n)*Pi/324+n+1 giving the average number of regions into which n random planes divide the cube.at n=24A248598
• Noncube integers n such that n^2 + 1 is the sum of 2 positive cubes.at n=16A267119
• a(n) is the number of words of length n over the alphabet {0,1,2} with at least two 1's and exactly one occurrence of the subword 22.at n=13A337142
• Expansion of Sum_{p prime} x^p/(1 - p*x^p).at n=29A373458