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A276266 as a simple table

na(n)
01
11
21
34
425
510201
616259565169
71100432328310492581042546436
831383529740086705883339675381564403354342372463018335778292540655564225

[1,1,1,4,25,10201,16259565169,
 1100432328310492581042546436,
 31383529740086705883339675381564403354342372463018\
 335778292540655564225]