A109304 - OEIS

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A109304 as a simple table

n	a(n)
1	7
2	94
3	281
4	886
5	16638
6	60757
7	642469
8	689301
9	784911
10	3631421
11	7144652
12	7967301
13	9428958
14	17741923
15	75060705
16	141521639
17	1060975242
18	3087218304
19	32644390236
20	43670299761

[7,94,281,886,16638,60757,642469,689301,784911, 3631421,7144652,7967301,9428958,17741923,75060705, 141521639,1060975242,3087218304,32644390236, 43670299761]