A103179 Row sums of A102416.
2, 2, 6, 20, 38, 78, 160, 316, 644, 1296, 2578, 5186, 10368, 20744, 41532, 83076, 166172, 332364, 664864, 1329768, 2659656, 5319504
Offset: 0
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