41382

Appears in sequences

• Positions of 11's in A131744.at n=19A133152
• 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, -1, 1), (-1, 0, 1), (-1, 1, -1), (1, -1, 1), (1, 1, 0)}.at n=9A149223
• Numbers k such that phi(phi(k)) = sigma(rad(k)).at n=38A173748
• G.f.: A(x) = 1 + x/Series_Reversion(eta(x) - 1).at n=10A176950
• Number of n-step three-sided prudent self-avoiding walks ending at the southwest corner of their box.at n=13A191827
• Number of non-equivalent ways to choose two points in an equilateral triangle grid of side n.at n=36A227327
• Pseudoperfect (or semiperfect) numbers k having more than one set of contiguous proper divisors whose sum equals k.at n=3A335742
• Expansion of g.f. A(x) satisfying A(x) = 1 + x*(A(x)^2 + A(-x)^2)/2 + x*(A(x)^3 - A(-x)^3)/2.at n=9A368627