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A112740
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Row sums of number triangle A112739.
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1
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1, 2, 4, 7, 13, 26, 58, 147, 423, 1366, 4880, 19039, 80281, 362914, 1747598, 8918299, 48024291, 271891710, 1613325844, 10005690695, 64702147429, 435311589418, 3041246276098, 22024930755299, 165082467634303, 1278742554953574
(list; graph; refs; listen; history; internal format)
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