|
| |
|
|
A090293
|
|
Least k > n such that the decimal expansion of k^2 ends in n^2.
|
|
3
|
|
|
|
10, 9, 8, 7, 46, 15, 44, 43, 42, 41, 90, 239, 488, 237, 486, 35, 484, 233, 482, 231, 80, 229, 478, 227, 476, 75, 474, 223, 472, 221, 70, 219, 2468, 1217, 2466, 285, 2464, 1213, 2462, 1289, 460, 1209, 2458, 1293, 2456, 205, 2454, 1297, 2452, 1201, 150, 1301
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,1
|
|
|
LINKS
|
T. D. Noe, Table of n, a(n) for n = 0..1000
|
|
|
FORMULA
|
a(n) = A090292(n)^(1/2).
|
|
|
MATHEMATICA
|
Table[k = n; d = IntegerDigits[n^2]; len = Length[d]; While[k++; Take[IntegerDigits[k^2], -len] != d]; k, {n, 0, 51}] (* T. D. Noe, Mar 23 2012 *)
|
|
|
CROSSREFS
|
Cf. A090292.
Sequence in context: A143473 A055121 A132674 * A164732 A070562 A216557
Adjacent sequences: A090290 A090291 A090292 * A090294 A090295 A090296
|
|
|
KEYWORD
|
base,nonn
|
|
|
AUTHOR
|
Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 29 2003
|
|
|
EXTENSIONS
|
More terms from Vladeta Jovovic, Jun 18 2004
|
|
|
STATUS
|
approved
|
| |
|
|
