144703488

Appears in sequences

• Number of 4 X n binary matrices avoiding simultaneously the right angled numbered polyomino patterns (ranpp) (10;0) and (01;1).at n=16A100313
• a(n) = floor(2^(n-2)*3*n).at n=22A128543
• a(1)= 2. For n > 1, a(n) is the least number k such that k, k - a(n-1) and k + a(n-1) all have n prime divisors counted by multiplicity.at n=22A365852