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A212656 as a simple table

na(n)
01
16
221
346
481
5126
6181
7246
8321
9406
10501
11606
12721
13846
14981
151126
161281
171446
181621
191806
202001
212206
222421
232646
242881
253126
263381
273646
283921
294206
304501
314806
325121
335446
345781
356126
366481
376846
387221
397606
408001
418406
428821
439246
449681
4510126
4610581
4711046
4811521
4912006
5012501

[1,6,21,46,81,126,181,246,321,406,501,606,721,846,
 981,1126,1281,1446,1621,1806,2001,2206,2421,2646,
 2881,3126,3381,3646,3921,4206,4501,4806,5121,5446,
 5781,6126,6481,6846,7221,7606,8001,8406,8821,9246,
 9681,10126,10581,11046,11521,12006,12501]