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A030656 as a simple table

na(n)
01
123
245
367
489
51011
61213
71415
81617
91819
102021
112223
122425
132627
142829
153031
163233
173435
183637
193839
204041
214243
224445
234647
244849
255051
265253
275455
285657
295859
306061
316263
326465
336667
346869
357071
367273
377475
387677
397879
408081
418283
428485
438687
448889

[1,23,45,67,89,1011,1213,1415,1617,1819,2021,2223,
 2425,2627,2829,3031,3233,3435,3637,3839,4041,4243,
 4445,4647,4849,5051,5253,5455,5657,5859,6061,6263,
 6465,6667,6869,7071,7273,7475,7677,7879,8081,8283,
 8485,8687,8889]