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A103284 Triangle, read by rows, where row n+1 is formed by sorting, in ascending order, the result of the convolution of row n with {1,1}. 4
1, 1, 1, 1, 1, 2, 1, 2, 2, 3, 1, 3, 3, 4, 5, 1, 4, 5, 6, 7, 9, 1, 5, 9, 9, 11, 13, 16, 1, 6, 14, 16, 18, 20, 24, 29, 1, 7, 20, 29, 30, 34, 38, 44, 53, 1, 8, 27, 49, 53, 59, 64, 72, 82, 97, 1, 9, 35, 76, 97, 102, 112, 123, 136, 154, 179, 1, 10, 44, 111, 173, 179, 199, 214, 235, 259 (list; table; graph; refs; listen; history; internal format)
OFFSET

0,6

COMMENTS

Main diagonal is A103285.

EXAMPLE

Convolution of row 5 {1,4,5,6,7,9} with {1,1} = {1,5,9,11,13,16,9}; sort to obtain row 6: {1,5,9,9,11,13,16}.

Rows begin:

1,

1,1,

1,1,2,

1,2,2,3,

1,3,3,4,5,

1,4,5,6,7,9,

1,5,9,9,11,13,16,

1,6,14,16,18,20,24,29,

1,7,20,29,30,34,38,44,53,

1,8,27,49,53,59,64,72,82,97,

1,9,35,76,97,102,112,123,136,154,179,...

PROG

(PARI) {T(n, k)=local(A=vector(n+1, i, vector(i)), B); A[1][1]=1; for(k=1, n, B=vector(k+1); B[1]=1; B[k+1]=A[k][k]; for(i=2, k, B[i]=A[k][i]+A[k][i-1]); A[k+1]=vecsort(B)); return(A[n+1][k+1])}

CROSSREFS

Cf. A103285.

Sequence in context: A033666 A139124 A024160 * A071287 A072084 A133755

Adjacent sequences:  A103281 A103282 A103283 * A103285 A103286 A103287

KEYWORD

nonn,tabl

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Jan 28 2005

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Last modified February 15 11:25 EST 2012. Contains 205777 sequences.