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A144887
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Row sums of triangle A144886 (S1hat(4)).
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2
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1, 5, 25, 161, 1081, 8745, 75305, 741961, 7904201, 93174025, 1185282185, 16364262281, 242055376521, 3834244039305, 64590031280265, 1154392672267401, 21796700933039241, 433694961594395785, 9066521908425387145, 198692729793556061321
(list; graph; refs; listen; history; internal format)
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