39882

Appears in sequences

• Numbers that are the sum of 7 positive 9th powers.at n=16A003396
• Number of squares in an n X n grid of squares with diagonals.at n=33A111500
• 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, 0, 1), (0, -1, 1), (0, 1, 0), (1, 1, -1)}.at n=11A148151
• Expansion of (1-3*x+x^2)*(1-2*x)/(1-9*x+28*x^2-35*x^3+15*x^4-x^5).at n=8A221859
• Numbers k such that prime(k) * 2^k - 1 is prime.at n=21A239741