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Search: id:A048223
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A048223 a(n)=T(n,1)+T(n,n), array T given by A048212. +0
1
4, 4, 11, 19, 29, 39, 54, 72, 89, 113, 137, 163, 189, 216, 254, 288, 323, 363, 402, 446, 495, 544, 593, 651, 710, 772, 835, 898, 964, 1036, 1106, 1185, 1263, 1341, 1420, 1504, 1591, 1681, 1770, 1860, 1963, 2063, 2165, 2271, 2378 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A161433 A107856 A128499 this_sequence A014012 A160721 A151836

Adjacent sequences: A048220 A048221 A048222 this_sequence A048224 A048225 A048226

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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