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A193096 Numbers that cannot be written as concatenation of two nonzero squares in decimal representation. 3
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 42, 43, 45, 46, 47, 48, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
Complement of A191933; A193095(a(n)) = 0.
LINKS
MATHEMATICA
Complement[Range[75], Union[Flatten[Table[FromDigits[Flatten[{IntegerDigits[m^2], IntegerDigits[n^2]}]], {m, 3}, {n, 3}]]]] (* Alonso del Arte, Aug 11 2011 *)
PROG
(Haskell)
import Data.List (elemIndices)
a193096 n = a193096_list !! (n-1)
a193096_list = elemIndices 0 $ map a193095 [0..]
CROSSREFS
Sequence in context: A082918 A301373 A354581 * A353744 A309129 A307345
KEYWORD
nonn,base
AUTHOR
Reinhard Zumkeller, Jul 17 2011
EXTENSIONS
Incorrect terms removed and missing terms added by Jaroslav Krizek, Aug 12 2011.
STATUS
approved

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Last modified July 23 03:10 EDT 2024. Contains 374544 sequences. (Running on oeis4.)