Saturday, 14 February 2015
Wednesday, 11 February 2015
Tuesday, 10 February 2015
Thursday, 5 February 2015
an easy folding pattern puzzle
This is a representation of a Woodall number.
A Woodall number is any natural number of the form n*(2^n) - 1
for some natural number n. The first few Woodall numbers are: 1, 7, 23, 63, 159, 383, 895, … (sequence A003261 in OEIS). What is the Woodall number represented ?
A Woodall number is any natural number of the form n*(2^n) - 1
for some natural number n. The first few Woodall numbers are: 1, 7, 23, 63, 159, 383, 895, … (sequence A003261 in OEIS). What is the Woodall number represented ?
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