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A207695 as a simple table

n a(n)
1 9
2 81
3 144
4 256
5 768
6 2304
7 5856
8 14884
9 42700
10 122500
11 320600
12 839056
13 2361448
14 6646084
15 17633520
16 46785600
17 130315680
18 362978704
19 970889920
20 2596921600
21 7186175360
22 19885512256
23 53475523456
24 143804774656
25 396160887744

[9,81,144,256,768,2304,5856,14884,42700,122500,
 320600,839056,2361448,6646084,17633520,46785600,
 130315680,362978704,970889920,2596921600,
 7186175360,19885512256,53475523456,143804774656,
 396160887744]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)