349272

Appears in sequences

• a(n) = denominator of r(n): r(n) is such that the continued fraction (of rational terms) [r(1);r(2),...r(n)] equals the n-th Fibonacci number, for every positive integer n.at n=10A128532
• a(n) = Product_{k>=0} (1 + floor(n/2^k)).at n=41A132269
• 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, 0), (-1, 0, 1), (0, 1, -1), (1, -1, 0), (1, 0, 1)}.at n=11A148934
• Average of amicable pairs (x,y), ordered by the smaller value x given in A002025.at n=23A275315
• Average of amicable pairs (x,y), ordered by the sum x+y given in A259953.at n=23A275316
• Number of regions formed by infinite lines when connecting all vertices and all points that divide the sides of an equilateral triangle into n equal parts.at n=17A343755
• Integers k such that k/A097621(k) is an integer.at n=32A344826
• Expansion of e.g.f. cos( sqrt(2) * log(1+x) ).at n=10A357693
• Triangle read by rows: T(n, k) = Stirling2(n, k)*CatalanNumber(k).at n=51A390724