A359810 Partial sums of A001035.

1, 2, 5, 24, 243, 4474, 134497, 6264356, 437987735, 44949030246, 6656014279029, 1402937691384928, 416267888747238427, 172266996270334297778, 98656591253398541329961, 77665827611694086894379900, 83558195613101851900738636479, 122236099445908424714842019905630, 242061628696647085027612662167990653

Offset: 0

Author

Firdous Ahmad Mala, Jan 13 2023

Keywords

• nonn

Comments

Since the number of partial orders is always odd, a(n) alternates in parity.

Examples

			a(2) = 1 + 1 + 3 = 5.
		

Crossrefs

Cf. A001035, A354847.