OFFSET
1,1
COMMENTS
Upon reaching 225, this sequence becomes the same as A007542, having skipped over 4 (which corresponds to the prime 2) and then goes on to 8 (which corresponds to the prime 3).
EXAMPLE
Multiply 6 by 15/2 to obtain 45. Then for 45, multiplying by the first thirteen fractions fails to produce an integer, so 45 * 55 = 2475.
MATHEMATICA
(* First run the program for A203907 to define conwayProc *) NestList[conwayProc, 6, 50]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Alonso del Arte, May 14 2016
STATUS
approved