Arithmetic means of rows of A083173.

Terms

a(0) =2a(1) =6a(2) =10a(3) =21a(4) =33a(5) =52a(6) =68a(7) =95a(8) =115a(9) =174a(10) =186a(11) =259a(12) =287a(13) =344a(14) =376a(15) =477a(16) =531a(17) =610a(18) =670a(19) =781a(20) =803a(21) =948a(22) =996a(23) =1157a(24) =1261a(25) =1414a(26) =1442a(27) =1605a(28) =1635a(29) =1808