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A247742
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Total number of V shapes in all tilings of a 5 X n rectangle with pentominoes of any shape.
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2
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0, 0, 0, 20, 192, 1568, 12636, 114216, 1022604, 8640980, 72406668, 605996308, 5065065936, 42045917448, 346705312932, 2848191025876, 23325323646860, 190440300054560, 1550193295412264, 12585187313440032, 101937894879304356, 823951520087842720, 6646993031822674592
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