135063

Appears in sequences

• Positive numbers k such that k and 2*k are anagrams in base 7 (written in base 7).at n=24A023068
• Gaps of 10 in sequence A038593 (upper terms).at n=36A038660
• G.f. A(x) satisfies: 1 + x = P(A(x)) / Q(A(x)), where P(x) = Product_{n>=0} (1 + x^(5*n+1))*(1 + x^(5*n+4)) and Q(x) = Product_{n>=0} (1 + x^(5*n+2))*(1 + x^(5*n+3)), with A(0) = 0, A'(0) = 1.at n=9A351634