A307673 Partial sums of A108754.

1, 2, 3, 4, 7, 12, 21, 34, 53, 82, 121, 174, 243, 328, 431, 556, 707, 884, 1091, 1330, 1601, 1908, 2253, 2640, 3075, 3560, 4095, 4682, 5321, 6014, 6773, 7600, 8499, 9470, 10521, 11652, 12867, 14170, 15563, 17050, 18635, 20318, 22107, 24002, 26005, 28116, 30345

Offset: 1

Author

Jorge H. Costa, Apr 20 2019

Keywords

• nonn

Comments

Partial sums of the difference between partial sums of the first n primes and n^2.

Examples

			a(6) = Sum_{k=1..6} A108754(k) = 1+1+1+1+3+5 = 12.
		

Crossrefs

Cf. A108754.

Programs

Mathematica

With[{nn = 48}, Accumulate@ Map[Subtract @@ # &, Transpose@ {Accumulate@ Prime@ Range[nn], Range[nn]^2}]] (* Michael De Vlieger, Apr 21 2019 *)

Extensions

More terms from Michael De Vlieger, Apr 21 2019