login
A144430
a(n) = 1 + A144429(n).
3
2, 3, 4, 5, 7, 10, 11, 13, 16, 17, 19, 22, 23, 25, 28, 29, 31, 34, 35, 37, 40, 41, 43, 46, 47, 49, 52, 53, 55, 58, 59, 61, 64, 65, 67, 70, 71, 73, 76, 77, 79, 82, 83, 85, 88, 89, 91, 94, 95, 97, 100, 101, 103, 106, 107, 109, 112, 113, 115, 118, 119, 121, 124, 125, 127, 130
OFFSET
1,1
COMMENTS
If you cross out every 3rd term starting at 4 and cross out multiples of 5, the reduced sequence is 2, 3, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 49, 53, 59, 61, ... which starts with 14 primes.
Essentially the same as A047259. - Georg Fischer, Oct 07 2018
LINKS
FORMULA
a(n) = a(n-3) + 6, n > 5.
PROG
(GAP) a:=[2, 3, 4, 5, 7];; for n in [6..70] do a[n]:=a[n-3]+6; od; a; # Muniru A Asiru, Oct 07 2018
CROSSREFS
Cf. A144429.
Sequence in context: A191918 A191925 A160512 * A337382 A348253 A157082
KEYWORD
nonn,easy,less
AUTHOR
Milton L. Brown (miltbrown(AT)earthlink.net), Oct 13 2008
EXTENSIONS
Edited and extended by R. J. Mathar, Oct 15 2008
STATUS
approved