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A137643 as a simple table

na(n)
01
119
29007199254741
3392750863685502459010271914701912679
419389268200585836264288587113776883575610248525384021488302948711030121
57513148009015777610818933132982719759579263711495116453794139744552967693463561232156273478587528174305033809166040571

[1,19,9007199254741,
 392750863685502459010271914701912679,
 19389268200585836264288587113776883575610248525384\
 021488302948711030121,
 75131480090157776108189331329827197595792637114951\
 16453794139744552967693463561232156273478587528174\
 305033809166040571]