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A268468 as a simple table

na(n)
14
2507
31377
412608
555291
655290
755289
8145645
9104455
10104454
11336734
12336733
13336732
14525907
151960873
161836239
172176265
182176264
192176263
202176262
212176261
222176260
232176259
242176258

[4,507,1377,12608,55291,55290,55289,145645,104455,
 104454,336734,336733,336732,525907,1960873,
 1836239,2176265,2176264,2176263,2176262,2176261,
 2176260,2176259,2176258]