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A223060
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Number of n X 6 0..3 arrays with all horizontally or vertically connected equal values in a straight line, and new values 0..3 introduced in row major order.
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1
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187, 255045, 412602889, 677531592132, 1115636153544055, 1837966217755803448, 3028264612325675509047, 4989509449716896144976736, 8220974979731088191278751151, 13545313950246233778034214834568
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