|
Search: id:A082419
|
|
|
| A082419 |
|
Numbers n such that P(n+2) < P(n) < P(n+1), where P(n) = largest prime factor of n (A006530). |
|
+0
1
|
|
| 6, 10, 22, 25, 28, 30, 33, 46, 52, 58, 68, 70, 78, 82, 88, 93, 98, 102, 106, 110, 115, 126, 130, 133, 138, 141, 145, 148, 160, 166, 172, 178, 187, 190, 198, 201, 205, 208, 213, 222, 226, 232, 236, 238, 248, 253, 262, 268, 273, 286, 292, 304, 306, 310, 316, 328, 346, 348
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
REFERENCES
|
Antal Balog, On the largest prime factor of consecutive integers, Abstracts Amer. Math. Soc., 25 (No. 2, 2002), p. 337, #975-11-76.
P. Erdos and C. Pomerance, On the largest prime factors of n and n+1, Aequationes Math. vol. 17, 1978, pp. 311-321.
|
|
LINKS
|
T. D. Noe, Table of n, a(n) for n=1..1000
|
|
CROSSREFS
|
Cf. A006530, A082417-A082422, A071869, A071870.
Adjacent sequences: A082416 A082417 A082418 this_sequence A082420 A082421 A082422
Sequence in context: A030007 A058549 A083285 this_sequence A102783 A082917 A108605
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
njas, Apr 25 2003
|
|
|
Search completed in 0.002 seconds
|
