Partial sums of the union of squares and triangular numbers.

Terms

a(0) =1a(1) =4a(2) =8a(3) =14a(4) =23a(5) =33a(6) =48a(7) =64a(8) =85a(9) =110a(10) =138a(11) =174a(12) =219a(13) =268a(14) =323a(15) =387a(16) =453a(17) =531a(18) =612a(19) =703a(20) =803a(21) =908a(22) =1028a(23) =1149a(24) =1285a(25) =1429a(26) =1582a(27) =1751a(28) =1922a(29) =2112