login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A045861 Numbers whose square has initial digit '7'. 2
27, 28, 84, 85, 86, 87, 88, 89, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 837, 838, 839, 840, 841, 842, 843, 844, 845, 846, 847, 848, 849, 850, 851, 852, 853, 854, 855, 856, 857, 858, 859, 860, 861, 862, 863 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Flatten[Table[Range[Ceiling[Sqrt[7 10^i]], Floor[Sqrt[8 10^i-1]]], {i, 2, 5}]] (* Harvey P. Dale, Mar 06 2011 *)
CROSSREFS
Cf. A045791.
Sequence in context: A042480 A042478 A042476 * A042488 A042486 A290276
KEYWORD
nonn,base
AUTHOR
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 21 03:36 EDT 2024. Contains 371850 sequences. (Running on oeis4.)