The Leonardo numbers are a sequence of numbers given by the recurrence Edsger W. Dijkstra used them as an integral part of his smoothsort algorithm, and also analyzed them in some detail.
The Leonardo numbers are: 1, 1, 3, 5, 9, 15, 25, 41, 67, 109, 177, ... (Sequence A001595 in the OEIS)
Calculate Leonardo Numbers
280, 290, 300
We use this key in the next step to generate a public address: