"Pascal sweep" for k=9: 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).
A009540
"Pascal sweep" for k=9: 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) =10a(2) =45a(3) =120a(4) =210a(5) =1a(6) =263a(7) =55a(8) =376a(9) =12a(10) =330a(11) =66a(12) =1a(13) =815a(14) =1a(15) =78a(16) =495a(17) =14a(18) =749a(19) =91a(20) =807a(21) =1a(22) =715a(23) =364a(24) =105a(25) =16a(26) =1a(27) =4180a(28) =1a(29) =18
External references
- oeis: A009540