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Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!) A248190 Decimal expansion of Dedekind eta(I/2). 4 8, 3, 7, 7, 5, 5, 7, 6, 3, 4, 7, 6, 5, 9, 8, 0, 5, 7, 9, 1, 2, 3, 6, 5, 9, 9, 7, 0, 0, 3, 2, 1, 2, 3, 7, 5, 6, 8, 3, 0, 6, 1, 5, 8, 0, 8, 9, 5, 1, 3, 9, 1, 5, 0, 6, 1, 9, 7, 4, 5, 2, 1, 0, 8, 4, 6, 3, 4, 8, 8, 4, 3, 0, 2, 5, 0, 7, 3, 9, 3, 0, 0, 2, 6, 1, 4, 2, 4, 5, 6, 4, 9, 2, 7, 5, 3, 8, 2, 9, 7, 6, 2, 9, 5, 7, 0 (list; constant; graph; refs; listen; history; text; internal format) OFFSET 0,1 COMMENTS See A091343. LINKS Stanislav Sykora, Table of n, a(n) for n = 0..2000 Wikipedia, Dedekind eta function FORMULA eta(I/2) = 2^(1/8)*eta(I) = 2^(1/8)*Gamma(1/4)/(2*Pi^(3/4)) = 2^(1/8)*A091343. EXAMPLE 0.837755763476598057912365997003212375683061580895139150619745210... MATHEMATICA RealDigits[2^(1/8)*Gamma[1/4]/(2*Pi^(3/4)), 10, 120][[1]] (* Vaclav Kotesovec, Oct 04 2014 *) PROG (PARI) eta(I/2, 1) CROSSREFS Cf. A091343 (eta(I)), A248191, A248192. Sequence in context: A241243 A358939 A033990 * A099284 A061444 A011214 Adjacent sequences: A248187 A248188 A248189 * A248191 A248192 A248193 KEYWORD nonn,cons,easy AUTHOR Stanislav Sykora, Oct 03 2014 STATUS approved

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Last modified August 18 18:19 EDT 2024. Contains 375273 sequences. (Running on oeis4.)