login

A251701 as a simple table

na(n)
01
14
213
336
497
5268
6765
72236
86625
919764
1059149
11177268
12531585
131594492
144783165
1514349132
1643046977
17129140452
18387420813
191162261828
203486784801
2110460353644
2231381060093
2394143179356
24282429537057
25847288610068
262541865829005
277625597485716

[1,4,13,36,97,268,765,2236,6625,19764,59149,
 177268,531585,1594492,4783165,14349132,43046977,
 129140452,387420813,1162261828,3486784801,
 10460353644,31381060093,94143179356,282429537057,
 847288610068,2541865829005,7625597485716]