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A091622 Column 1 of triangle A091615. 1

%I #3 Mar 30 2012 17:37:13

%S 1,2,6,11,26,61,132,290,638,1390,3012,6496,13940,29793,63450,134628,

%T 284764,600596,1263304,2650684,5549117,11592553,24170837,50306424,

%U 104527509,216852455,449232326,929378744,1920295902,3963077103

%N Column 1 of triangle A091615.

%K nonn

%O 1,2

%A _Christian G. Bower_, Jan 23 2004

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Last modified March 28 07:33 EDT 2024. Contains 371235 sequences. (Running on oeis4.)