|
Search: id:A068507
|
|
|
| A068507 |
|
Highly composite numbers (or anti-primes) sandwiched between twin primes. |
|
+0
1
|
|
| 4, 6, 12, 60, 180, 240, 7560, 55440, 110880, 73329656400, 18632716502400, 130429015516800, 48519593772249600, 149602080797769600, 74377068101903920953600, 927967188666725711881005276648000, 241271469053348685089061371928480000
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
Intersection of (A072826 - 1) and (A072828 + 1). - Lekraj Beedassy (blekraj(AT)yahoo.com), Nov 27 2003
|
|
EXAMPLE
|
60 is between 59 and 61
|
|
CROSSREFS
|
Cf. A002182.
Cf. A117825.
Sequence in context: A060202 A062624 A050537 this_sequence A133454 A061072 A130435
Adjacent sequences: A068504 A068505 A068506 this_sequence A068508 A068509 A068510
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Lekraj Beedassy (blekraj(AT)yahoo.com), Mar 25 2002
|
|
EXTENSIONS
|
Corrected and extended by Lior Manor (lior.manor(AT)gmail.com) Jun 03 2002
More terms from Bill McEachen (bmceache(AT)centralsan.dst.ca.us), May 24 2006
|
|
|
Search completed in 0.002 seconds
|
