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Search: id:A037156
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A037156 10^n*(10^n+1)/2. +0
1
1, 55, 5050, 500500, 50005000, 5000050000, 500000500000, 50000005000000, 5000000050000000, 500000000500000000, 50000000005000000000, 5000000000050000000000, 500000000000500000000000 (list; graph; listen)
OFFSET

0,2

REFERENCES

C. Pickover, Wonders of Numbers, Oxford University Press, NY, 2001, p. 328.

LINKS

C. A. Pickover, "Wonders of Numbers, Adventures in Mathematics, Mind and Meaning," Zentralblatt review

CROSSREFS

A subsequence of the triangular numbers A000217.

Sequence in context: A119081 A119051 A119083 this_sequence A116110 A060204 A114049

Adjacent sequences: A037153 A037154 A037155 this_sequence A037157 A037158 A037159

KEYWORD

easy,nonn

AUTHOR

Marvin Ray Burns (bmmmburns(AT)sbcglobal.net)

EXTENSIONS

Corrected by T. D. Noe (noe(AT)sspectra.com), Nov 07 2006

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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