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A251541 Index of first term in A098550 that is divisible by the n-th prime. 6
2, 3, 7, 8, 20, 21, 28, 41, 49, 59, 60, 77, 85, 86, 99, 112, 125, 130, 140, 151, 156, 165, 173, 192, 202, 213, 220, 231, 236, 245, 272, 281, 294, 299, 322, 327, 336, 353, 362, 373, 384, 391, 412, 421, 428, 433, 450, 477, 488, 495, 504, 521, 526, 539, 548, 569, 580, 587 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
It is known that every prime divides some term of A098550, so the sequence exists.
Conjectures. 1: Equals first column of A251716. 2: For n > 4, a(n) = A251239(n) - 2. - Reinhard Zumkeller, Dec 15 2014
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 1..3000 (First 500 terms from N. J. A. Sloane)
CROSSREFS
Cf. A253297.
Sequence in context: A166966 A247843 A181658 * A325105 A276032 A114281
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Dec 15 2014
STATUS
approved

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)