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A074371
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Sigmabonacci numbers: a(n)=a(n-1)+Sigma(a(n-2)). Sigma(n)=Sum of divisors of n.
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0
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1, 1, 2, 3, 6, 10, 22, 40, 76, 166, 306, 558, 1260, 2508, 6876, 13596, 31068, 66012, 144636, 298692, 656532, 1411650, 3114050, 6907892, 12800744
(list; graph; refs; listen; history; internal format)
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