100488

Appears in sequences

• Fibonacci sequence beginning 3, 13.at n=20A022124
• a(n) = 4 * floor(23*2^n/15).at n=14A102651
• a(0)=1, a(n)=4a(n-1)+2 for n odd, a(n)=4a(n-1) for n even.at n=8A117614
• Numbers of the form p^2 - 1 where p is a prime of the form 3*k-1 (A003627).at n=34A301812
• Standard composition numbers of compositions whose maximal runs all belong to {(1), (2,2), (3,3,3), ...}.at n=37A389530