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A067657 Prime values of A001008, the numerators of the harmonic numbers. 10
3, 11, 137, 761, 7129, 18858053, 34395742267, 85691034670497533, 252476961434436524654789, 928551009361054917576341971, 42409610330030873613929048033, 4868007055309996043055960217131137 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
A001008 INTERSECT A000040.
a(n) = A001008(A056903(n)). - Amiram Eldar, Jun 02 2022
MATHEMATICA
Table[ HarmonicNumber[n], {n, 0, 80}] // Numerator // Select[#, PrimeQ]& (* Jean-François Alcover, May 27 2013 *)
CROSSREFS
Sequence in context: A112957 A057205 A121897 * A063502 A329626 A072639
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Feb 03 2002
STATUS
approved

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Last modified March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)