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A369698 as a simple table

na(n)
10
249
340824
496461056
5571250390625
67338413252698641
7181953686508203782144
87957561391610438862503936
9572547082070592542500791107625
1064157961305703333114506988525390625
1110714350425499230222239742740718898118656
122571996060859292513876561308464753498396819456

[0,49,40824,96461056,571250390625,
 7338413252698641,181953686508203782144,
 7957561391610438862503936,
 572547082070592542500791107625,
 64157961305703333114506988525390625,
 10714350425499230222239742740718898118656,
 2571996060859292513876561308464753498396819456]