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A129345
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a(2n) = A001542(n+1), a(2n+1) = A038761(n+1); a Pellian-related sequence.
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1
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2, 9, 12, 53, 70, 309, 408, 1801, 2378, 10497, 13860, 61181, 80782, 356589, 470832, 2078353, 2744210, 12113529, 15994428, 70602821, 93222358, 411503397, 543339720, 2398417561, 3166815962, 13979001969, 18457556052, 81475594253
(list; graph; refs; listen; history; internal format)
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