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A121655 as a simple table

n a(n)
0 1
1 2
2 6
3 19
4 67
5 243
6 895
7 3366
8 12687
9 47893
10 181457
11 687963
12 2608418
13 9980210
14 38267955
15 146847036
16 566931450
17 2192350203
18 8483412214
19 32931060365
20 127961086743
21 497417231082
22 1939118056782
23 7565621219100
24 29525286454134

[1,2,6,19,67,243,895,3366,12687,47893,181457,
 687963,2608418,9980210,38267955,146847036,
 566931450,2192350203,8483412214,32931060365,
 127961086743,497417231082,1939118056782,
 7565621219100,29525286454134]

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Last modified June 6 17:17 EDT 2024. Contains 373133 sequences. (Running on oeis4.)