A029788 - OEIS

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A029788 as a simple table

n	a(n)
1	4
2	9
3	64
4	81
5	196
6	576
7	784
8	1156
9	3364
10	3969
11	4489
12	4761
13	26569
14	29929
15	190969
16	232324
17	277729
18	294849
19	374544
20	670761
21	2292196
22	2666689
23	5035536
24	5303809
25	11417641
26	43599609
27	790396996
28	996222969

[4,9,64,81,196,576,784,1156,3364,3969,4489,4761, 26569,29929,190969,232324,277729,294849,374544, 670761,2292196,2666689,5035536,5303809,11417641, 43599609,790396996,996222969]