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A001410
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Sum of rows of triangle defined in A001404.
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1
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1, 2, 5, 12, 28, 65, 149, 341, 777, 1769, 4022, 9140, 20763, 47156, 107086, 243162, 552128, 1253640, 2846424, 6462827, 14673824, 33316766, 75645245, 171751292, 389958283, 885393129, 2010268490
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| Also, limit to which the reflected rows of A001404 converge. - Ralf Stephan, Oct 17 2004
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MAPLE
| a[ 0, 0 ] := 1; for i from 1 to N do a[ i, 0 ] := a[ i-1, 0 ]+a[ i-1, 1 ]; for j from 1 to i do a[ i, j ] := sum(a[ i-j, t ], t=0..min(j+1, N)) od; od; b[ n ] := sum(a[ n, i ], i=0..n);
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CROSSREFS
| Cf. A001404.
Sequence in context: A019301 A006980 A045623 * A019486 A019485 A018914
Adjacent sequences: A001407 A001408 A001409 * A001411 A001412 A001413
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KEYWORD
| nonn,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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