References to A176873

Smallest possible integer m>=3 such that n is the sum of an m-gonal number and a k-gonal number for some k<=m.
3, 3, 3, 3, 3, 4, 3, 3, 4, 3, 3, 3, 3, 3, 4, 3, 3, 4, 3, 4, 3, 3, 3, 5, 3, 3, 4, 3, 3, 3, 3, 3, 4, 5

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