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A068361
Numbers n such that the number of squarefree numbers between prime(n) and prime(n+1) = prime(n+1)-prime(n)-1.
2
1, 3, 10, 13, 26, 33, 60, 89, 104, 113, 116, 142, 148, 201, 209, 212, 234, 265, 268, 288, 313, 320, 332, 343, 353, 384, 398, 408, 477, 484, 498, 542, 545, 551, 577, 581, 601, 625, 636, 671, 719, 723, 726, 745, 794, 805, 815, 862, 864, 884, 944, 964, 995, 1054
OFFSET
1,2
LINKS
FORMULA
n such that A061398(n) = prime(n+1)-prime(n)-1.
PROG
(PARI) isok(n) = for (k=prime(n)+1, prime(n+1)-1, if (!issquarefree(k), return (0))); 1; \\ Michel Marcus, Apr 29 2016
CROSSREFS
Cf. A061398.
Sequence in context: A042479 A042897 A041169 * A285181 A042331 A082975
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Feb 28 2002
STATUS
approved