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”).

A141429 as a triangular array

2
43
664
8985
101212106
12151615127
1418202018148
162124252421169
182428303028241810
20273235363532272011
2230364042424036302212
243340454849484540332413

A141429 as a square array

24681012141618202224
3691215182124273033
481216202428323640
51015202530354045
612182430364248
7142128354249
81624324048
918273645
10203040
112233
1224
13
24681012141618202224
3691215182124273033
481216202428323640
51015202530354045
612182430364248
7142128354249
81624324048
918273645
10203040
112233
1224
13