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!)
 A180326 The non-common part of the smaller number of an amicable pair. 2
 55, 592, 655, 1255, 779, 1343, 117, 1081, 685, 4183, 497, 85, 7975, 2233, 209, 7648, 17708, 14231, 10741, 11017, 23171, 4471, 70135, 77155, 22825, 44551, 27341, 4786, 31441, 893, 75049, 76241, 78023, 79453, 80417, 166991, 90763, 7645, 54982, 112277 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS All terms are composite numbers. Very few duplicates occur: for the amicable numbers less than 10^14, a number appears at most twice. LINKS T. D. Noe, Table of n, a(n) for n=1..10000 FORMULA a(n) = A002025(n) / gcd(A002025(n),A002046(n)) = A002025(n) / A061469(n). CROSSREFS Cf. A180327 (non-common part of the larger number of an amicable pair) Sequence in context: A183320 A185028 A222797 * A119085 A119170 A119228 Adjacent sequences:  A180323 A180324 A180325 * A180327 A180328 A180329 KEYWORD nonn AUTHOR T. D. Noe, Sep 07 2010 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 23:13 EDT 2021. Contains 342877 sequences. (Running on oeis4.)