443409

Appears in sequences

• Number of compositions (ordered partitions) of n into 1's, 2's and 4's.at n=24A060945
• Expansion of (1-x)^(-1)/(1+2*x+x^2+x^3).at n=24A077930
• a(0) = 0, a(1) = 1, a(2) = 1, a(3) = 2; a(n) = a(n-1) + a(n-2) + a(n-4).at n=25A181532
• Expansion of (1-x-x^2)/((x-1)*(x^3+3*x^2+2*x-1)).at n=12A238236
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n), where a(0) = 1, a(1) = 4, b(0) = 2, b(1) = 3, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=23A295950
• Number of compositions (ordered partitions) of n into powers of 2 not greater than sqrt(n).at n=24A369222