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A167744 Squares that become a prime number when some single digit is inserted in front of its decimal expansion. 0
1, 9, 49, 81, 121, 169, 289, 361, 441, 529, 729, 841, 961, 1089, 1369, 1521, 1681, 1849, 2209, 2401, 2601, 2809, 3249, 3481, 3721, 3969, 4489, 4761, 5041, 5329, 5929, 6241, 6561, 6889, 7569, 7921, 8281, 8649, 9409, 9801, 10201, 10609, 11449, 11881, 12321 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
The first numbers in A028375 but not in here are 12769, 15129, 18769, 22801, 26569 etc. - R. J. Mathar, Nov 12 2009
LINKS
CROSSREFS
Sequence in context: A032589 A137175 A028375 * A032598 A352141 A110873
KEYWORD
base,nonn
AUTHOR
Claudio Meller, Nov 10 2009
EXTENSIONS
Extended by R. J. Mathar, Nov 12 2009
STATUS
approved

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Last modified April 15 02:01 EDT 2024. Contains 371667 sequences. (Running on oeis4.)