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A136731
Column 1 of square array
A136730
.
2
1, 2, 5, 23, 175, 1935, 28432, 523290, 11587072, 299942890, 8886126540, 296438370794, 10993731095695, 448604373236731, 19971257117211555, 963142501803505255, 50015707804752012825, 2782336529985704607295
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OFFSET
0,2
LINKS
Table of n, a(n) for n=0..17.
CROSSREFS
Cf.
A136730
;
A101482
,
A136732
.
Sequence in context:
A191600
A343020
A167142
*
A257030
A062495
A158889
Adjacent sequences:
A136728
A136729
A136730
*
A136732
A136733
A136734
KEYWORD
nonn
AUTHOR
Paul D. Hanna
, Jan 19 2008
STATUS
approved
