A176690 Partial sums of A048200.

0, 1, 3, 7, 17, 32, 55, 87, 129, 184, 251

Offset: 1

Author

Jonathan Vos Post, Apr 23 2010

Keywords

• more
• nonn

Comments

Partial sums of minimal length pair-exchange / set-rotate sequence to reverse n distinct ordered elements. The subsequence of primes in this partial sum begins: 3, 7, 17.

Examples

			a(5) = 0 + 1 + 2 + 4 + 10 = 17 is prime.
		

Crossrefs

Cf. A048200.

Formula

a(n) = Sum_{i=1..n} A048200(i).

Extensions

a(10)-a(11) from Sai Satwik Kuppili and Bhadrachalam Chitturi, Apr 16 2019