114777

Appears in sequences

• a(1) = 1, a(n) = a(n-1) + phi(a(n-1)).at n=23A074693
• Number of up/down (or down/up) compositions of n into distinct parts.at n=44A129838
• G.f. A(x) = Sum_{n>=0} x^n/a(n) satisfies: A(x) = A(x^2) + Integral A(x^2) dx.at n=109A294640
• 3^n with digits rearranged into nondecreasing order.at n=11A321540
• a(n) = binomial(n,2)*(binomial(n-1,2) + 2).at n=26A352405