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A218518 as a simple table

na(n)
136
21348
346140
41608968
555161270
61884162624
764278999490
82192134613268
974751612059942
102548947544959236
1186915544096055764
122963690927218083408
13101057383442299027280
143445903376402787417912
15117500067196994800465952

[36,1348,46140,1608968,55161270,1884162624,
 64278999490,2192134613268,74751612059942,
 2548947544959236,86915544096055764,
 2963690927218083408,101057383442299027280,
 3445903376402787417912,117500067196994800465952]