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A047061
a(n) = Sum_{i=0..n} A047060(i,n-i).
0
1, 2, 3, 5, 9, 16, 30, 57, 114, 200, 388, 753, 1476, 2867, 5635, 11097, 22194, 42484, 84007, 166048, 329444, 650843, 1291996, 2566355, 5132710, 10061288, 20013626, 39798674, 79284893, 157593796, 313994582, 625776239, 1251552478, 2476858624, 4939307587
OFFSET
0,2
CROSSREFS
Sequence in context: A072176 A329700 A217282 * A136169 A047041 A352944
KEYWORD
nonn
EXTENSIONS
Data corrected by Sean A. Irvine, May 11 2021
STATUS
approved