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 A218665 Numbers n such that n divides sum of first n numbers from Flavius Josephus's sieve (A099074). 0
 1, 2, 4, 10, 16, 20, 41, 44, 55, 67, 76, 548, 751, 1962, 3318, 3760, 5873, 7729, 8074, 15502, 33847, 65888, 89836, 167786, 512688, 1401686, 2520988, 2897654, 5552333, 6352323, 7981750 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS a(32) > 10^7. LINKS EXAMPLE The sum of the first 20 terms of A000960 = 2240 which is divisible by 20. PROG (PARI) s=1; print1(1 ", "); for(n=2, 10^4, f=n^2; forstep(m=n-1, 2, -1, r=f%m; if(r==0, r=m); f=f-r); f--; s=s+f; if(s%n==0, print1(n ", "))) CROSSREFS Cf. A000960. Sequence in context: A125245 A096689 A039682 * A189558 A111149 A123689 Adjacent sequences:  A218662 A218663 A218664 * A218666 A218667 A218668 KEYWORD nonn,more AUTHOR Donovan Johnson, Nov 04 2012 STATUS approved

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Last modified October 22 05:01 EDT 2020. Contains 337950 sequences. (Running on oeis4.)