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A008291 as a triangular array

1
23
986
44452010
2652641354015
185418559243157021
14833148327420246463011228
13349613349766744222605544113416836
133496113349606674852224805565011088189024045
14684570

A008291 as a square array

12944265185414833133496133496114684570
38452641855148321334971334960
620135924742066744667485
1040315246422260222480
1570630554455650
21112113411088
281681890
36240
45

A008291 as an upper right triangle

12944265185414833133496133496114684570
38452641855148321334971334960
620135924742066744667485
1040315246422260222480
1570630554455650
21112113411088
281681890
36240
45

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Last modified April 16 14:51 EDT 2024. Contains 371749 sequences. (Running on oeis4.)