
FORMULA

a(n) = 2*a(n1) + A160552, where A160552 begins with offset 1: (1, 1, 3, 1, 3, 5, 7, 1, 3, 5, 7, 5,...).


EXAMPLE

a(4) = 19 = (1, 1, 3, 5) dot (4, 4, 2, 1) = (4 + 4 + 6 + 5).
a(4) = 19 = 2*9 + 1, where "1" = A160552(4), A160552 = (1, 1, 3, 1, 3, 5, 7,...)
Using the latter method, we create a heading = row 1:
1,...1,...3,...1,....3,...5,....7,....1,....3,.....5, = A160552 with offset 1.
1...3,....9,...19,..41,..87,..181,..363,..729,..1463,...
...such that a(n) = 2*a(n1) = term above a(n), or a(n) = 2*a(n1) + A160552(n). Example: a(6) = 87 = 2*41 + 5, where 5 = A160552(6).
