A127561
formatted as a triangular array:
0
5
1
20
11
4
45
31
19
9
80
61
44
29
16
125
101
79
59
41
25
180
151
124
99
76
55
36
A127561
formatted as a square array:
0
5
20
45
80
125
180
1
11
31
61
101
151
4
19
44
79
124
9
29
59
99
16
41
76
25
55
36
A127561
formatted as an upper right triangle:
0
5
20
45
80
125
180
1
11
31
61
101
151
4
19
44
79
124
9
29
59
99
16
41
76
25
55
36
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Maintained by
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(
njas@research.att.com
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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.
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