17964

Appears in sequences

• Even 9-gonal (or enneagonal) numbers.at n=36A028992
• Enneagonal numbers divisible by 9.at n=16A117796
• Number of digits in the decimal expansion of the n-th Cullen prime.at n=8A137716
• Number of nondecreasing integer sequences of length 12 with sum zero and sum of absolute values 2n.at n=14A158146
• Number of lines through at least 2 points of a 10 X n grid of points.at n=28A160850
• a(n) is the smallest number which can be represented as the sum of n distinct positive cubes in exactly n ways, or 0 if no such number exists.at n=11A350270
• Numbers k such that x=(sigma(k) XOR 2*k) divides k in carryless binary arithmetic, when the binary expansions of k and x are interpreted as polynomials in ring GF(2)[X].at n=47A379236