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Search: id:A076507
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A076507 3 people at a party are saying Hello to each other. Person " says Hello Hello. Person 3 counts the times Hello has been said and says Hello thrice that number. Person 1 says Hello equal to the sum of Hello's and then it is Person 2 again. This is how many Hello's are said. +0
2
2, 6, 8, 32, 144, 192, 768, 3456, 4608, 18432, 82944, 110592, 442368, 1990656, 2654208, 1061683247775744, 63700992, 254803968, 1146617856, 1528823808, 6115295232, 27518828544, 3669171392, 146767085568, 660451885056 (list; graph; listen)
OFFSET

1,1

PROGRAM

(PARI) mod 3(n)=if (i%3==0, 3, i%3) s=2; for (i=3, 30, print1(s*mod 3(i), ", "); s=s+s*mod 3(i))

CROSSREFS

Cf. A076508.

Sequence in context: A096999 A019199 A094678 this_sequence A117542 A045653 A152158

Adjacent sequences: A076504 A076505 A076506 this_sequence A076508 A076509 A076510

KEYWORD

nonn

AUTHOR

Jon Perry (perry(AT)globalnet.co.uk), Oct 15 2002

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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