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A267913 as a simple table

na(n)
12
214
396
4726
55046
635574
7242406
81653750
911113926
1074553750
11496532454
123300259254
1321854907654
14144501754326
15953526151206
166285325782006
1741384363469126
18272296902013974
191790471038255206
2011767947840324150

[2,14,96,726,5046,35574,242406,1653750,11113926,
 74553750,496532454,3300259254,21854907654,
 144501754326,953526151206,6285325782006,
 41384363469126,272296902013974,1790471038255206,
 11767947840324150]