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Search: id:A109867
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| A109867 |
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a(1) = 12; for n >= 1, a(n+1) = {a(n)+R(a(n)}*{a(n)-R(a(n)}. where R(k) is the digit reversal of k. |
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| 12, 297, 539055, 12949081200, 167631138529627443759, 888408727567955042239409874101472777521040, 78765998921706216274991298966111520885784088183648020290146033047257851813264598\ 9056
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