Row 5 of square array defined in A047671.

Terms

a(0) =1a(1) =16a(2) =91a(3) =346a(4) =1021a(5) =2524a(6) =5479a(7) =10774a(8) =19609a(9) =33544a(10) =54547a(11) =85042a(12) =127957a(13) =186772a(14) =265567a(15) =369070a(16) =502705a(17) =672640a(18) =885835a(19) =1150090a(20) =1474093a(21) =1867468a(22) =2340823a(23) =2905798a(24) =3575113a(25) =4362616a(26) =5283331a(27) =6353506a(28) =7590661a(29) =9013636