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A206621 as a triangular array

14
8686
5801155580
403517708177084035
2789527086962393327086927895
192358409970021744156217441564099700192358
1327931622503287526896921719525751752689692622503281327931
9168477945314307

A206621 as a square array

148658040352789519235813279319168477
86115517708270869409970062250328945314307
5801770862393321744156752689692
4035270869217441561719525751
278954099700752689692
19235862250328
1327931

A206621 as an upper right triangle

148658040352789519235813279319168477
86115517708270869409970062250328945314307
5801770862393321744156752689692
4035270869217441561719525751
278954099700752689692
19235862250328
1327931

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Last modified June 19 12:43 EDT 2024. Contains 373503 sequences. (Running on oeis4.)