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A279702 as a simple table

na(n)
2-5
3-6
4-9
5-18
6-26
7-34
8-123
9-107
103953
1190021
12203866
13678250
143860926
1562168609
161022130830
1722777519100
1846323907000
191499885420000
2047625567000000
21318447820000000
22974228630000000
2336070436000000000

[-5,-6,-9,-18,-26,-34,-123,-107,3953,90021,203866,
 678250,3860926,62168609,1022130830,22777519100,
 46323907000,1499885420000,47625567000000,
 318447820000000,974228630000000,36070436000000000]