114765

Appears in sequences

• Expansion of 1/((1-x)(1-6x)(1-10x)(1-11x)).at n=4A024434
• G.f.: A(q) = exp( Sum_{n>=1} A162552(n) * 3*A038500(n) * q^n/n ).at n=39A161808
• Numbers k of the form k = ab (the decimal concatenation of a and b) such that phi(ab) = a*b + 1.at n=6A336191
• The numbers of a square spiral with 1 in the center, lying at integer points of the right branch of the parabola y=n^2.at n=13A357281
• Number of subsets of {1,2,...,n} such that no two elements differ by 1, 2, or 5.at n=32A375980