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A056396
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Number of step shifted (decimated) sequence structures using exactly two different symbols.
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0
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0, 1, 2, 5, 5, 19, 13, 47, 51, 139, 107, 623, 351, 1399, 2171, 4463, 4115, 22111, 14601, 68015, 88375, 209935, 190745, 1075199, 839127, 2796999, 3730583, 11276703, 9587579, 67195519, 35792567
(list; graph; refs; listen; history; internal format)
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