Third row of Pascal-(1,2,1) array A081577.

Terms

a(0) =1a(1) =10a(2) =46a(3) =136a(4) =307a(5) =586a(6) =1000a(7) =1576a(8) =2341a(9) =3322a(10) =4546a(11) =6040a(12) =7831a(13) =9946a(14) =12412a(15) =15256a(16) =18505a(17) =22186a(18) =26326a(19) =30952a(20) =36091a(21) =41770a(22) =48016a(23) =54856a(24) =62317a(25) =70426a(26) =79210a(27) =88696a(28) =98911a(29) =109882