The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A101119 Nonzero differences of A006519 (highest power of 2 dividing n) and A003484 (Radon function). 6
 7, 22, 7, 52, 7, 22, 7, 112, 7, 22, 7, 52, 7, 22, 7, 239, 7, 22, 7, 52, 7, 22, 7, 112, 7, 22, 7, 52, 7, 22, 7, 494, 7, 22, 7, 52, 7, 22, 7, 112, 7, 22, 7, 52, 7, 22, 7, 239, 7, 22, 7, 52, 7, 22, 7, 112, 7, 22, 7, 52, 7, 22, 7, 1004, 7, 22, 7, 52, 7, 22, 7, 112, 7, 22, 7, 52, 7, 22, 7, 239 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS A006519 and A003484 differ only at every 16th term; this sequence forms the nonzero differences. Records form A101120. Equals the XOR BINOMIAL transform of A101122. LINKS Antti Karttunen, Table of n, a(n) for n = 1..16384 FORMULA a(n) = A006519(16*n) - A003484(16*n) for n>=1. a(2*n-1) = 7 for n>=1. MATHEMATICA Table[2^(IntegerExponent[16*n, 2]) - 8*Floor[IntegerExponent[16*n, 2]/4] - 2^(Mod[IntegerExponent[16*n, 2], 4]), {n, 1, 50}] (* G. C. Greubel, Nov 01 2018 *) PROG (PARI) {a(n)=2^valuation(16*n, 2)-(8*(valuation(16*n, 2)\4)+2^(valuation(16*n, 2)%4))} (MAGMA) [2^Valuation(16*n, 2) - 8*Floor(Valuation(16*n, 2)/4) - 2^(Valuation(16*n, 2) mod 4): n in [1..50]]; // G. C. Greubel, Nov 01 2018 CROSSREFS Cf. A003484, A006519, A101120, A101122. Sequence in context: A213152 A082826 A130740 * A217014 A200886 A070412 Adjacent sequences:  A101116 A101117 A101118 * A101120 A101121 A101122 KEYWORD nonn AUTHOR Simon Plouffe and Paul D. Hanna, Dec 02 2004 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified April 10 08:09 EDT 2021. Contains 342845 sequences. (Running on oeis4.)