login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A061988
as
a triangular array
1
3
4
3
4
5
30
120
272
315
19
43
46
47
67
A061988
as
a square array
1
3
3
30
19
4
4
120
43
5
272
46
315
47
67
A061988
as
an upper right triangle
1
3
3
30
19
4
4
120
43
5
272
46
315
47
67