Template:Seal integer sequences/formulas

A022166

Birch

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A139382 with trivial column on the left

Birch and Oak

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Dahlia and Daisy

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Daisy is A006116. Dahlia is A182176 with a leading 1.

Oak and Maple

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Oak is the summation of Maple. E.g. .

Maple is created by multiplying entries of Oak with powers of two.
For positive and :      E.g.