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A128496
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Row sums of unsigned triangle |A128495|=|S(2;n,m)| (sums of squares of Chebyshev's S-polynomials).
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1
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1, 2, 4, 9, 20, 50, 125, 324, 840, 2195, 5736, 15012, 39289, 102854, 269260, 704925, 1845500, 4831574, 12649205, 33116040, 86698896, 226980647, 594243024, 1555748424, 4073002225, 10663258250, 27916772500, 73087059249, 191344405220
(list; graph; refs; listen; history; internal format)
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