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A058437
Numbers k such that k^2 contains only digits {0,4,6}, not ending with zero.
2
2, 8, 20992, 21602, 215408, 800037502, 21120134092, 25815899102, 80025400008, 8000254000008, 25815577558262, 254166490010002, 254243985975008, 683085646609592, 800002540000008, 80000025400000008, 635613598504629262, 2457776365832743262, 2542962918459579238
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Zhao Hui Du, Table of n, a(n) for n = 1..25
P. De Geest, Index to related sequences
Hisanori Mishima, Sporadic tridigital solutions
CROSSREFS
Cf. A058438.
Sequence in context: A160814 A038582 A309860 * A185681 A046967 A007753
Adjacent sequences: A058434 A058435 A058436 * A058438 A058439 A058440
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Nov 15 2000
EXTENSIONS
a(16) and above from Zhao Hui Du, Mar 08 2024
STATUS
approved

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Last modified October 1 13:20 EDT 2024. Contains 376390 sequences.
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