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A087405
First differences of
A087404
: a(n)=
A087404
(n)-
A087404
(n-1), a(0)=
A087404
(0).
+0
1
2, 2, 22, 98, 502, 2498, 12502, 62498, 312502, 1562498, 7812502, 39062498, 195312502, 976562498, 4882812502, 24414062498, 122070312502, 610351562498, 3051757812502, 15258789062498, 76293945312502, 381469726562498
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
AT&T Labs Research
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