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A250787 as a simple table

na(n)
1144
2396
3990
42426
55688
612950
728692
862274
9132890
10279864
11583196
121205236
132474328
145053216
1510277030
1620831790
1742114880
1884962234
19171112172
20344149014
21691415474
221387878796
232783929300
245581085336
2511183577088
2622401796180

[144,396,990,2426,5688,12950,28692,62274,132890,
 279864,583196,1205236,2474328,5053216,10277030,
 20831790,42114880,84962234,171112172,344149014,
 691415474,1387878796,2783929300,5581085336,
 11183577088,22401796180]