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A129269
Decimal expansion of arcsinh(1/5).
1
1, 9, 8, 6, 9, 0, 1, 1, 0, 3, 4, 9, 2, 4, 1, 4, 0, 6, 4, 7, 4, 6, 3, 6, 9, 1, 5, 9, 5, 0, 2, 0, 6, 9, 6, 8, 2, 2, 1, 3, 0, 8, 7, 9, 4, 2, 2, 4, 4, 5, 3, 7, 7, 3, 0, 2, 1, 2, 6, 3, 2, 2, 2, 2, 8, 5, 4, 8, 5, 6, 4, 7, 8, 9, 5, 9, 7, 2, 3, 6, 7, 5, 1, 2, 9, 3, 5, 3, 4, 4, 6, 4, 5, 4, 3, 4, 1, 6, 9
OFFSET
0,2
EXAMPLE
0.19869011034924140647463691595020696822130879422445377302126...
MATHEMATICA
RealDigits[ArcSinh[1/5], 10, 105][[1]] (* Amiram Eldar, May 02 2023 *)
CROSSREFS
Decimal expansion of arcsinh(1/k): A091648 (k=1), A002390 (k=2), A129187(k=3), A129200 (k=4).
Sequence in context: A309948 A086053 A358661 * A094145 A002388 A248080
KEYWORD
nonn,cons
AUTHOR
N. J. A. Sloane, Jul 27 2008
STATUS
approved