|
Search: id:A071180
|
|
|
| A071180 |
|
Number of numbers m with n < m <= n^2 containing n in decimal representation. |
|
+0
1
|
|
| 0, 0, 0, 1, 2, 3, 4, 5, 7, 1, 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 14, 13, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19, 19, 21, 21, 22, 23, 34, 34, 35, 36, 37, 38, 36, 39, 40, 41, 42, 43, 45, 55, 56, 57, 58, 56, 60, 61, 63, 64, 66, 76, 77, 79, 80, 81, 78, 84
(list; graph; listen)
|
|
|
OFFSET
|
1,5
|
|
|
EXAMPLE
|
n=21: numbers >21 and <=441=21^2 containing "21": {121, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 221, 321, 421} having size 14, therefore a(21)=14.
|
|
CROSSREFS
|
Sequence in context: A004912 A067570 A133303 this_sequence A031225 A085729 A073907
Adjacent sequences: A071177 A071178 A071179 this_sequence A071181 A071182 A071183
|
|
KEYWORD
|
nonn,base
|
|
AUTHOR
|
Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 10 2002
|
|
|
Search completed in 0.002 seconds
|
