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A202727
Position of records in A067513.
4
1, 2, 4, 12, 36, 60, 120, 180, 360, 540, 720, 1080, 1260, 1680, 2160, 2520, 3780, 5040, 7560, 10080, 15120, 25200, 30240, 45360, 55440, 60480, 75600, 85680, 100800, 110880, 131040, 166320, 196560, 257040, 332640, 393120, 514080, 655200, 665280, 786240, 831600
OFFSET
1,2
COMMENTS
Numbers n such that n has more divisors d such that d+1 is prime than any smaller number.
LINKS
PROG
(PARI) r=0; for(n=1, 1e8, t=sumdiv(n, d, isprime(d+1)); if(t>r, r=t; print1(n", ")))
CROSSREFS
Sequence in context: A211768 A112083 A089965 * A325255 A084716 A241208
KEYWORD
nonn
AUTHOR
STATUS
approved