111479

Appears in sequences

• Semiprimes p such that next semiprime after p is p+20.at n=28A217335
• Solution of the complementary equation a(n) = 2*a(n-2) - b(n-2) + n, where a(0) = 3, a(1) = 4, b(0) = 1, and (a(n)) and (b(n)) are increasing complementary sequences.at n=31A295069
• a(n) = [x^n] (1/(1 - x))*Product_{k>=1} (1 + x^k)^n.at n=9A303071