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A261553 as a triangular array

48
8080
170132170
336269269336
652484516484652
12938717547548711293
258817021210769121017022588
510032302187816816218732305100
99966084343612866561286343660849996
1978811656

A261553 as a square array

4880170336652129325885100999619788
8013226948487117023230608411656
170269516754121021873436
3364847547698161286
6528711210816656
1293170221871286
258832303436
51006084
9996

A261553 as an upper right triangle

4880170336652129325885100999619788
8013226948487117023230608411656
170269516754121021873436
3364847547698161286
6528711210816656
1293170221871286
258832303436
51006084
9996

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Last modified April 14 23:31 EDT 2024. Contains 371667 sequences. (Running on oeis4.)