Partial sums of A023201.

Terms

a(0) =5a(1) =12a(2) =23a(3) =36a(4) =53a(5) =76a(6) =107a(7) =144a(8) =185a(9) =232a(10) =285a(11) =346a(12) =413a(13) =486a(14) =569a(15) =666a(16) =767a(17) =870a(18) =977a(19) =1108a(20) =1259a(21) =1416a(22) =1583a(23) =1756a(24) =1947a(25) =2140a(26) =2363a(27) =2590a(28) =2823a(29) =3074