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I recognise it..... .....A bit (Posted on 2004-08-27) Difficulty: 2 of 5

Fill in the blanks.

1, 1, 2, 4, 8, ?, ?, 56, 108, 208, 401

See The Solution Submitted by Juggler    
Rating: 4.0000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
QUOTING "SLOANE'S ENCYCLOPEDIA" | Comment 2 of 4 |
ID Number: A000078 (Formerly M1108 and N0423)
URL: http://www.research.att.com/projects/OEIS?Anum=A000078
Sequence: 0,0,0,1,1,2,4,8,15,29,56,108,208,401,773,1490,2872,5536,
10671,20569,39648,76424,147312,283953,547337,1055026,
2033628,3919944,7555935,14564533,28074040,54114452,
104308960,201061985,387559437,747044834
Name: Tetranacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3) +a(n-4).
Comments: a(n)=number of compositions of n-3 with no part greater than 4.

  Posted by Ady TZIDON on 2004-08-27 08:51:53
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