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A330157
Decimal expansion of the sum of the reciprocals of A020330.
1
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
0,1
COMMENTS
The sum is 0.67014568628363761... . It can be computed relatively efficiently using a variation of the method of Joseph S. Myers (see link).
LINKS
Joseph S. Myers, Palindome reciprocal sums [sic], SeqFan Mailing List, June 21, 2014.
EXAMPLE
0.67014568628363761...
CROSSREFS
Cf. A020330.
Sequence in context: A113550 A370738 A221400 * A225962 A011098 A344428
KEYWORD
nonn,cons
AUTHOR
Jeffrey Shallit, Dec 03 2019
STATUS
approved