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A002295 as a simple table

na(n)
01
11
26
351
4506
55481
662832
7749398
89203634
9115607310
101478314266
1119180049928
12251857119696
133340843549855
1444700485049720
15602574657427116
168175951659117794
17111572030260242090
181530312970340384580
1921085148778264281865
20291705220704719165526

[1,1,6,51,506,5481,62832,749398,9203634,115607310,
 1478314266,19180049928,251857119696,3340843549855,
 44700485049720,602574657427116,8175951659117794,
 111572030260242090,1530312970340384580,
 21085148778264281865,291705220704719165526]