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Search: id:A122479
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| A122479 |
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Triangle T(n,k), 0<=k<=n, defined by T(n,k) = 0 if k<0 or k>n, T(0,0) = 1, T(n,k) = T(n,k-1)+T(n-1,k-1)+T(n-1,k)+T(n-1,k+1). |
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+0
1
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| 1, 1, 2, 3, 6, 8, 9, 26, 40, 48, 35, 110, 224, 312, 360, 145, 514, 1160, 2056, 2728, 3088, 659, 2478, 5208, 12152, 20024, 25840, 28928, 3137, 12482, 33320, 71704, 129720, 204512, 259280, 288208, 15619, 64558, 182064, 416808, 822744, 1416256, 2168256
(list; table; graph; listen)
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OFFSET
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0,3
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EXAMPLE
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Triangle begins:
1;
1, 2;
3, 6, 8;
9, 26, 40, 48;
35, 110, 224, 312, 360;
145, 514, 1160, 2056, 2728, 3088;
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CROSSREFS
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Sequence in context: A111215 A099381 A089437 this_sequence A047403 A093193 A089422
Adjacent sequences: A122476 A122477 A122478 this_sequence A122480 A122481 A122482
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KEYWORD
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nonn,tabl
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AUTHOR
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Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Sep 15 2006
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