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A152395
Column 0 of the matrix square of triangle A152391.
4
1, 2, 10, 54, 324, 2130, 15102, 114282, 915016, 7701570, 67785410, 621241302, 5907779100, 58122866490, 590120962494, 6169755680850, 66300171884560, 731081377197218, 8260198332989274, 95504954267579062
OFFSET
0,2
CROSSREFS
Cf. A152391; columns: A152392, A152393; A152394.
Sequence in context: A221604 A163909 A272178 * A369263 A365879 A202365
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Dec 11 2008
STATUS
approved