A137038

Numbers k such that k and k^2 use only the digits 1, 3, 6, 7 and 8.

1, 6, 131, 876, 881, 8131, 8876, 11731, 13181, 18376, 18381, 37131, 88776, 116881, 117181, 117776, 133181, 183776, 336731, 888131, 1366881, 1373376, 3336731, 3371376, 3713181, 6113376, 7866881, 11761731, 13167131, 13717776, 13718131, 13738181, 33336731, 33367181, 37118376, 37133181, 61383131, 78668776, 87367681, 87616881, 117383181

(list; graph; refs; listen; history; text; internal format)

OFFSET

COMMENTS

LINKS

EXAMPLE

CROSSREFS

KEYWORD

AUTHOR

STATUS