login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A140699 as a triangular array

1
2-1
30-1
2-200
5000-1
1-3-2001
700000-1
2-2000000
30-3000000
1-500-200001
11000000000-1
1-1-2002000000
1300000000000-1
1-70000-20000001
10-50-30000000

A140699 as a square array

12325172311111311
-10-20-30-20-50-10-70
-100-200-300-200-5
000000000000
-10000-20000-3
1000002000
-1000000-20
00000000
0000000
100000
-10000
0000
-10
1
12325172311111311
-10-20-30-20-50-10-70
-100-200-300-200-5
000000000000
-10000-20000-3
1000002000
-1000000-20
00000000
0000000
100000
-10000
0000
-10
1