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A221173 as a simple table

n a(n)
0 -3
1 4
2 5
3 14
4 33
5 80
6 193
7 466
8 1125
9 2716
10 6557
11 15830
12 38217
13 92264
14 222745
15 537754
16 1298253
17 3134260
18 7566773
19 18267806
20 44102385
21 106472576
22 257047537
23 620567650
24 1498182837
25 3616933324
26 8732049485
27 21081032294
28 50894114073
29 122869260440
30 296632634953

[-3,4,5,14,33,80,193,466,1125,2716,6557,15830,
 38217,92264,222745,537754,1298253,3134260,7566773,
 18267806,44102385,106472576,257047537,620567650,
 1498182837,3616933324,8732049485,21081032294,
 50894114073,122869260440,296632634953]

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Last modified August 8 02:41 EDT 2020. Contains 336290 sequences. (Running on oeis4.)