"Pascal sweep" for k=3: draw a horizontal line through the 1 at C(k,0) in Pascal's triangle; rotate this line and record the sum of the numbers on it (excluding the initial 1).

A019304

"Pascal sweep" for k=3: draw a horizontal line through the 1 at C(k,0) in Pascal's triangle; rotate this line and record the sum of the numbers on it (excluding the initial 1).

Terms

    a(0) =1a(1) =4a(2) =1a(3) =12a(4) =1a(5) =6a(6) =1a(7) =18a(8) =1a(9) =8a(10) =1a(11) =25a(12) =1a(13) =10a(14) =1a(15) =33a(16) =1a(17) =12a(18) =1a(19) =42a(20) =1a(21) =14a(22) =1a(23) =52a(24) =1a(25) =16a(26) =1a(27) =63a(28) =1a(29) =18

External references