[go: up one dir, main page]

login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A250434
Numbers whose squares remain squares when prepended with 8 and appended with 25 in base 10.
4
681937766, 100716507368734, 189028109645534, 71751688194664150, 227043315919690540, 297394840740237334, 1419552352384980734, 3520763199738226713640, 556493116743365697692834, 512910449523173299820851231016, 142652152739062776543664373622484, 2608329468084714843076226780545984
OFFSET
1,1
LINKS
EXAMPLE
681937766^2 = 465039116697070756, 846503911669707075625 = 29094740275^2.
KEYWORD
nonn,base
AUTHOR
Chai Wah Wu, Nov 24 2014
STATUS
approved