On Mon, Nov 23, 2009 at 9:02 PM, Chris Burke <cbu...@jsoftware.com> wrote: > On Wed, Nov 11, 2009 at 11:56 AM, Ian Clark <earthspo...@googlemail.com> > wrote: >> http://www.jsoftware.com/jwiki/Doc/Articles/Play211 [see end-of-page] >> >> Problem 2: Finding the sixth in a series >> >> You are given five 10-digit numbers from the digits of pi, and must >> find the sixth. Here are the numbers: >> >> 4338327950 >> 2795028841 >> 6939937510 >> 3993751058 >> 2110555964 >> >> Here they are, embedded in pi: >> >> 7 30 $ w >> 31415926535897932384626<4338327 >> 95028841>971<693993751058>2097494 >> 459230781640628620899862803482 >> 534211706798214808651328230664 >> 709384460955058223172535940812 >> 84811174502841027019385<2110555 >> 964>462294895493038196442881097 >> >> The first and second overlap, as do the third and fourth. >> >> I'll give two hints, the second vacuous: >> >> Hint 1: Primarily, the sixth number has three doublets and overlaps > the fifth. >> >> Hint 2: Alternately, something for nothing. >> +++++
I see only two possibilities here: 5559644622 5596446229 I favor the second because the first has four doublets (it has two overlapping instances of "55"). But maybe something deeper is going on, here. -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
