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A223632 as a simple table

n a(n)
1 7
2 49
3 229
4 801
5 2297
6 5699
7 12657
8 25753
9 48811
10 87253
11 148501
12 242425
13 381837
14 583031
15 866369
16 1256913
17 1785103
18 2487481
19 3407461
20 4596145
21 6113185
22 8027691
23 10419185
24 13378601
25 17009331
26 21428317
27 26767189
28 33173449
29 40811701
30 49864927

[7,49,229,801,2297,5699,12657,25753,48811,87253,
 148501,242425,381837,583031,866369,1256913,
 1785103,2487481,3407461,4596145,6113185,8027691,
 10419185,13378601,17009331,21428317,26767189,
 33173449,40811701,49864927]

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Last modified January 27 16:41 EST 2022. Contains 350611 sequences. (Running on oeis4.)