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A077348 as a triangular array

1
515
61819
272021
2324717273
82526787980
27288485868788
9299091929394283
330319596979899300
103233100101102103104317318
34105106107108109332333334335336

A077348 as a square array

156223827931034
15187242528293032105
1920712684903133106
217278859195100107
7379869296101108
80879397102109
889498103332
28399104333
300317334
318335
336
156223827931034
15187242528293032105
1920712684903133106
217278859195100107
7379869296101108
80879397102109
889498103332
28399104333
300317334
318335
336