|
| |
|
|
A077665
|
|
Final term of n-th row of A077664.
|
|
2
| |
|
|
2, 5, 7, 11, 11, 23, 15, 23, 22, 33, 23, 47, 27, 45, 43, 47, 35, 71, 39, 69, 58, 69, 47, 95, 56, 81, 67, 93, 59, 139, 63, 95, 86, 105, 86, 143, 75, 117, 101, 139, 83, 187, 87, 139, 128, 141, 95, 191, 106, 173, 131, 163, 107, 215, 129, 185, 146, 177, 119, 283, 123, 189
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| a(p) = 2p+1, p is a prime. a(2^n) = 3*2^n -1.
a(n) also equals the (n+phi(n))th integer from among those positive integers coprime to n, where phi(n) = A000010(n). a(n) also equals n + (the n-th integer from among those positive integers coprime to n) = n + A069213(n). - Leroy Quet Apr 12 2007
|
|
|
CROSSREFS
| Cf. A077664, A077666.
Sequence in context: A020484 A124203 A155085 * A025062 A175034 A030498
Adjacent sequences: A077662 A077663 A077664 * A077666 A077667 A077668
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 14 2002
|
|
|
EXTENSIONS
| More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 03 2003
|
| |
|
|
