A330157 Decimal expansion of the sum of the reciprocals of A020330.

6, 7, 0, 1, 4, 5, 6, 8, 6, 2, 8, 3, 6, 3, 7, 6, 1, 3, 3, 5, 2, 0, 8, 8, 7, 7, 3, 8, 6, 4, 9, 6, 7, 8, 5, 8, 5, 3, 0, 7, 0, 6, 0, 1, 1, 3, 4, 9, 3, 0, 9, 4, 2, 1, 6, 0, 5, 3, 4, 8, 0, 9, 8, 1, 9, 1, 7, 3, 7, 3, 6, 2, 1, 4, 0, 3, 3, 6, 6, 4, 6, 3, 9, 8, 4, 3, 3

Offset: 0

Author

Jeffrey Shallit, Dec 03 2019

Keywords

• nonn
• cons

Comments

The sum is 0.67014568628363761... . It can be computed relatively efficiently using a variation of the method of Joseph S. Myers (see link).

Examples

			0.67014568628363761...
		

Links

• Joseph S. Myers, Palindome reciprocal sums [sic], SeqFan Mailing List, June 21, 2014.

Crossrefs

Cf. A020330.