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A134827
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Alternating row sums of triangle A134285, called s2(3)'.
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2
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1, 2, 8, 18, 78, 206, 872, 2226, 10820, 26558, 129248, 335886, 1630174, 3990978, 21778450, 48749804, 274937594, 650637382, 3598954596, 7610277626, 49741540498, 93757794966, 639655810986, 1233712869392, 8530089042832
(list; graph; refs; listen; history; internal format)
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