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 A228071 Write n in binary and interpret as a decimal number; a(n) is this quantity minus n. 2
 0, 0, 8, 8, 96, 96, 104, 104, 992, 992, 1000, 1000, 1088, 1088, 1096, 1096, 9984, 9984, 9992, 9992, 10080, 10080, 10088, 10088, 10976, 10976, 10984, 10984, 11072, 11072, 11080, 11080, 99968, 99968, 99976, 99976, 100064, 100064, 100072, 100072, 100960, 100960 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS Difference between decimal and binary numbers written the same. LINKS Charles R Greathouse IV, Table of n, a(n) for n = 0..10000 FORMULA a(n) ~ A007088(n). - Charles R Greathouse IV, Aug 09 2013 a(2^n + r) = a(2^n) + a(r) for 1 <= r <= 2^n - 1. - Peter Bala, Aug 12 2013 a(n) = A007088(n) - n. - Omar E. Pol, Aug 27 2013 EXAMPLE 5 in binary is written 101, so a(5) = 101-5 = 96. MATHEMATICA Table[d = IntegerDigits[n, 2]; FromDigits[d, 10] - n, {n, 50}] (* T. D. Noe, Aug 08 2013 *) PROG (PARI) a(n)=subst(Pol(binary(n)), 'x, 10)-n \\ Charles R Greathouse IV, Aug 09 2013 (Magma) [Seqint(Intseq((n), 2))-n: n in [0..50]]; // Vincenzo Librandi, Feb 20 2016 CROSSREFS Cf. A007088, A127906. Sequence in context: A298962 A082798 A286068 * A192386 A119932 A270118 Adjacent sequences: A228068 A228069 A228070 * A228072 A228073 A228074 KEYWORD nonn,base,easy AUTHOR André Engels, Aug 08 2013 STATUS approved

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Last modified August 10 12:12 EDT 2024. Contains 375056 sequences. (Running on oeis4.)