|
| |
|
|
A064623
|
|
Primitive subsequence of A066031: terms of A066031 which are not a multiple of some previous terms.
|
|
2
| |
|
|
30, 70, 84, 105, 231, 234, 260, 286, 456, 528, 532, 627, 646, 805, 897, 1116, 1122, 1275, 1364, 1581, 1665, 1798, 1924, 2064, 2150, 2275, 2565, 2632, 2958, 2967, 3055, 3213, 3339, 3526, 3861, 4070, 4543, 4824, 5025, 5152, 5487, 5658, 5840, 6164, 6461
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
MATHEMATICA
| a = {30}; Do[ If[ IntegerQ[ n / Apply[ Plus, First[ Transpose[ FactorInteger[n]]]]] && Mod[ n, n - EulerPhi[n]] != 0 && First[ Union[ Mod[n, a]]] != 0, a = Append[a, n]], {n, 1, 10000} ]; a
|
|
|
CROSSREFS
| Sequence in context: A044513 A157346 A154055 * A112343 A182996 A164596
Adjacent sequences: A064620 A064621 A064622 * A064624 A064625 A064626
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Robert G. Wilson v (rgwv(AT)rgwv.com) and Vladeta Jovovic (vladeta(AT)eunet.rs), Dec 12 2001
|
| |
|
|
