First differences of A029971.

Terms

a(0) =11a(1) =10a(2) =128a(3) =22a(4) =60a(5) =524a(6) =180a(7) =156a(8) =156a(9) =180a(10) =58a(11) =180a(12) =66a(13) =90a(14) =90a(15) =66a(16) =90a(17) =6320a(18) =714a(19) =1008a(20) =2190a(21) =2650a(22) =1722a(23) =198a(24) =1722a(25) =41510a(26) =810a(27) =594a(28) =1620a(29) =6570