ramsey2879
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Find all a,b such that a*T(b) + b^2*T(a-1) = b*T(a) + a^2*T(b-1)
example solution a = 3, b = 7
example solution a = 3, b = 7
Triangular Number Equation: a*T(b) + b^2*T(a-1) = b*T(a) + a^2*T(b-1)
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I think this holds for any (a, b).
hamster143
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Correct, both sides are always equal to T(a*b).
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