A081044 - OEIS

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A081044 as a simple table

n	a(n)
0	1
1	17
2	225
3	2673
4	29889
5	321489
6	3365793
7	34543665
8	349156737
9	3486784401
10	34480423521
11	338218086897
12	3295011258945
13	31914537622353
14	307565765227809
15	2951106226689969
16	28207085096966913
17	268687927383516945

[1,17,225,2673,29889,321489,3365793,34543665, 349156737,3486784401,34480423521,338218086897, 3295011258945,31914537622353,307565765227809, 2951106226689969,28207085096966913, 268687927383516945]