|
| |
|
|
A095215
|
|
Beginning with 2, greatest prime divisor of the concatenation of all previous terms.
|
|
1
| |
|
|
2, 2, 11, 67, 3301, 670001, 670001, 2816573, 1962598272385996001, 13135299156148920427, 8195631610270280813458231, 252695623634706646276208461875953169850197045066143207, 381219345970368698157410442059827141986617742456355454248317851
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
EXAMPLE
| Greatest prime divisor of 22 is 11, 2211 is 67.
|
|
|
CROSSREFS
| Sequence in context: A184237 A069648 A175976 * A076976 A058044 A128269
Adjacent sequences: A095212 A095213 A095214 * A095216 A095217 A095218
|
|
|
KEYWORD
| base,more,nonn
|
|
|
AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jun 10 2004
|
|
|
EXTENSIONS
| More terms from Robert Gerbicz (robert.gerbicz(AT)gmail.com), Jun 09 2007
Offset corrected and a(12)-a(13) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Feb 19 2011
|
| |
|
|
