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A064149 Numbers k such that A036263(k) = A036263(k+1), using signed version of A036263. 7
7, 11, 13, 18, 22, 49, 54, 58, 69, 70, 75, 85, 91, 104, 111, 116, 122, 123, 127, 132, 173, 182, 206, 210, 225, 226, 236, 244, 253, 256, 260, 269, 271, 275, 284, 299, 300, 309, 321, 328, 351, 364, 367, 375, 388, 390, 391, 395, 406, 411, 413, 420, 421, 422, 435 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
PROG
(PARI) { n=0; for (m=1, 10^9, if (prime(m) + 3*prime(m + 2) == 3*prime(m + 1) + prime(m + 3), write("b064149.txt", n++, " ", m); if (n==1000, break)) ) } \\ Harry J. Smith, Sep 09 2009
CROSSREFS
Cf. A036263.
Sequence in context: A153321 A060772 A257125 * A046289 A092246 A084468
KEYWORD
easy,nonn
AUTHOR
Jason Earls, Sep 11 2001
STATUS
approved

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)