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A042896 as a simple table

n a(n)
0 31
1 94
2 313
3 407
4 720
5 1847
6 2567
7 4414
8 15809
9 51841
10 3229951
11 9741694
12 32455033
13 42196727
14 74651760
15 191500247
16 266152007
17 457652254
18 1639108769
19 5374978561
20 334887779551
21 1010038317214
22 3365002731193
23 4375041048407
24 7740043779600
25 19855128607607
26 27595172387207
27 47450300994814
28 169946075371649

[31,94,313,407,720,1847,2567,4414,15809,51841,
 3229951,9741694,32455033,42196727,74651760,
 191500247,266152007,457652254,1639108769,
 5374978561,334887779551,1010038317214,
 3365002731193,4375041048407,7740043779600,
 19855128607607,27595172387207,47450300994814,
 169946075371649]

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Last modified August 7 06:02 EDT 2020. Contains 336274 sequences. (Running on oeis4.)