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A260250 as a simple table

na(n)
21300000000031
3713000000000317
41471300000000031741
512147130000000003174121
63121471300000000031741213
71213121471300000000031741213121
833121312147130000000003174121312133
9323312131214713000000000317412131213323

[1300000000031,713000000000317,
 1471300000000031741,12147130000000003174121,
 3121471300000000031741213,
 1213121471300000000031741213121,
 33121312147130000000003174121312133,
 323312131214713000000000317412131213323]