|
Search: id:A050987
|
|
|
| A050987 |
|
Number of n-digit left-truncatable primes. |
|
+0
12
|
|
| 4, 11, 39, 99, 192, 326, 429, 521, 545, 517, 448, 354, 276, 212, 117, 72, 42, 24, 13, 6, 5, 4, 3, 1
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
LINKS
|
P. De Geest, The list of 4260 left-truncatable primes
Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
Index entries for sequences related to numbers of primes in various ranges
|
|
CROSSREFS
|
Cf. A033664, A024785, A032437, A020994, A024770, A052023, A052024, A052025, A050986.
Adjacent sequences: A050984 A050985 A050986 this_sequence A050988 A050989 A050990
Sequence in context: A017939 A130494 A027573 this_sequence A137191 A106269 A126758
|
|
KEYWORD
|
base,nonn,easy,fini,full
|
|
AUTHOR
|
Eric Weisstein (eric(AT)weisstein.com)
|
|
EXTENSIONS
|
Edited by Ray Chandler (rayjchandler(AT)sbcglobal.net), Mar 13 2007
|
|
|
Search completed in 0.002 seconds
|
