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A242405 as a simple table

n a(n)
0 1
1 -6
2 15
3 -24
4 39
5 -72
6 123
7 -192
8 294
9 -456
10 693
11 -1008
12 1452
13 -2100
14 2991
15 -4176
16 5781
17 -7992
18 10950
19 -14808
20 19908
21 -26688
22 35541
23 -46944
24 61692
25 -80826
26 105366
27 -136536
28 176208
29 -226728
30 290565
31 -370704
32 471318
33 -597600
34 755217
35 -950976
36 1193988

[1,-6,15,-24,39,-72,123,-192,294,-456,693,-1008,
 1452,-2100,2991,-4176,5781,-7992,10950,-14808,
 19908,-26688,35541,-46944,61692,-80826,105366,
 -136536,176208,-226728,290565,-370704,471318,
 -597600,755217,-950976,1193988]

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Last modified April 20 10:35 EDT 2024. Contains 371827 sequences. (Running on oeis4.)