34468

Appears in sequences

• Numbers k such that 3*2^k - 5 is prime.at n=41A057912
• Row sums of triangle A120898 (cascadence of 1+2x+x^2).at n=7A120902
• Row 4 of table A162424.at n=31A162427
• Number of length n+4 0..5 arrays with every five consecutive terms having four times some element equal to the sum of the remaining four.at n=18A249653
• Number of tilings of a 5 X n rectangle using V (2m+1)-ominoes (m >= 0) in standard orientation.at n=7A322498
• Number of tilings of a 7 X n rectangle using V (2m+1)-ominoes (m >= 0) in standard orientation.at n=5A322500
• a(n) = Sum_{k=1..n} k^2 * floor(n/k)^2.at n=35A350123