0,4
a(n) = a(n-1) + 12^(n-2) a(n-2).
Adjacent sequences: A015467 A015468 A015469 this_sequence A015471 A015472 A015473
Sequence in context: A072841 A125470 A016125 this_sequence A084328 A000830 A118673
nonn,easy
Olivier Gerard (olivier.gerard(AT)gmail.com)
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