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Search: id:A045914
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A045914 Triangular numbers with repeated digits. +0
1
1, 3, 6, 55, 66, 666 (list; graph; listen)
OFFSET

1,2

REFERENCES

D. Ballew and R. Weger, Repdigit triangular numbers, J. Rec. Math. Vol. 8(2), p. 96, 1975-76.

CROSSREFS

Sequence in context: A066569 A051641 A003098 this_sequence A067610 A067609 A012473

Adjacent sequences: A045911 A045912 A045913 this_sequence A045915 A045916 A045917

KEYWORD

fini,full,nonn,base

AUTHOR

Felice Russo (felice.russo(AT)katamail.com)

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.


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