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A006274
First differences of A006268.
(Formerly M5243)
1
33, 46728, 102266868085272, 1069559300034650646049671038948382825526728
OFFSET
0,1
REFERENCES
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
Jeffrey Shallit, Predictable regular continued cotangent expansions, J. Res. Nat. Bur. Standards Sect. B 80B (1976), no. 2, 285-290.
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
EXTENSIONS
Definition corrected by N. J. A. Sloane, May 23 2023 using a formula suggested by R. J. Mathar, Apr 26 2007.
STATUS
approved