A357123 Number of sets S of size A066063(n) such that {1, 2, ..., n} is a subset of S + S.

1, 1, 2, 2, 5, 5, 2, 1, 11, 8, 1, 1, 26, 16, 2, 1, 65, 39, 7, 5, 284, 183, 52, 31, 8, 3, 422, 243, 58, 31, 4, 2, 893, 475, 144, 79, 21, 11, 1, 1, 428, 233, 54, 29, 3, 2, 2034, 1180, 371, 213

Offset: 1

Author

William Chang, Sep 12 2022

Keywords

• nonn
• more

Comments

A066063(n) is the size of the smallest set S such that S+S contains {1,2,...,n}.

Examples

			For n=3 we can generate {1, 2, 3} with S = {0, 1, 2} and S = {0, 1, 3}.
		

Links

• William Chang, Python script

Crossrefs

Cf. A066063.

Extensions

a(31)-a(50) from Giovanni Resta, Oct 15 2022