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 A145572 Numerators of partial sums for Liouville's constant, read as base 2 (binary) numbers. 2
 1, 3, 49, 12845057, 1017690263500988729456314874071089153, 4222921592695952872362526736376161058920018764920519780147745963811744865992371113095993596088044297100172572224585271942341064532181870606866447799704872724575357044373908131956500952542608981420222196042850818326529 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS a(n) is A145571(n) (a decimal number with digits only from {0,1}) read as base 2 number converted back into decimal notation. The sequence of digit lengths is [1,1,2,8,37,217,1518,...] LINKS FORMULA a(n)=A145571(n) interpreted as number in binary notation, then converted to decimal notation. EXAMPLE a(3)=49, because A145571(3)=110001, and the binary number 110001 translates to 2^5+2^4+2^0=32+16+1 = 49. MATHEMATICA a[n_] := FromDigits[RealDigits[Sum[1/10^k!, {k, n}], 10, n!][[1]], 2]; Array[a, 6] (* Robert G. Wilson v, Aug 08 2018 *) CROSSREFS Cf. A145571 (numerators of approximations for Liouville's number). Sequence in context: A203700 A063893 A291707 * A309869 A012857 A246221 Adjacent sequences:  A145569 A145570 A145571 * A145573 A145574 A145575 KEYWORD nonn,base,easy AUTHOR Wolfdieter Lang Mar 06 2009 STATUS approved

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Last modified May 17 22:15 EDT 2021. Contains 343992 sequences. (Running on oeis4.)