49893

Appears in sequences

• Number of permutations of length n which avoid the patterns 1432, 2314, 3241.at n=10A116800
• Numbers k such that (7*10^k - 13)/3 is prime.at n=27A273924
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) + b(n-2), where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences.at n=18A294550