Triangle of Gandhi polynomial coefficients.

Terms

a(0) =1a(1) =1a(2) =5a(3) =10a(4) =10a(5) =5a(6) =31a(7) =230a(8) =755a(9) =1440a(10) =1760a(11) =1430a(12) =770a(13) =260a(14) =45a(15) =6721a(16) =60655a(17) =250665a(18) =628535a(19) =1067865a(20) =1299570a(21) =1166945a(22) =783720a(23) =393855a(24) =146025a(25) =38500a(26) =6630a(27) =585a(28) =5850271a(29) =59885980