A173310 Partial sums of A005470.

1, 2, 4, 8, 19, 52, 194, 1016, 7982, 87835, 1228751, 19909759, 353222210

Offset: 0

Author

Jonathan Vos Post, Feb 16 2010

Keywords

• nonn
• hard
• more

Crossrefs

Cf. A005470.

Formula

a(n) = Sum_{i=0..n} A005470(i).

Extensions

a(12) from the data at A005470 added by Amiram Eldar, Jul 22 2025