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A080162 Wonderful Demlo numbers A002477 whose digit sums are squares. 3
1, 121, 12321, 1234321, 123454321, 12345654321, 1234567654321, 123456787654321, 12345678987654321, 12345679012345679012345679012345678987654320987654320987654320987654321 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..10.

Eric Weisstein's World of Mathematics, Demlo Number

CROSSREFS

Cf. A080160, A080161, A002477, A080151.

Sequence in context: A173426 A261570 A068117 * A030174 A180153 A178510

Adjacent sequences:  A080159 A080160 A080161 * A080163 A080164 A080165

KEYWORD

nonn,base

AUTHOR

Eric W. Weisstein, Jan 31 2003

STATUS

approved

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Last modified October 20 10:00 EDT 2019. Contains 328257 sequences. (Running on oeis4.)