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Search: id:A072100
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| A072100 |
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Column 2 of the array m(i,1)=m(1,j)=1 m(i,j)=m(i-1,j-1)+m(i-1,j+1) (a(n)=m(n,2)). |
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+0
3
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| 1, 2, 3, 5, 8, 14, 24, 44, 79, 149, 275, 527, 989, 1913, 3629, 7061, 13496, 26366, 50676, 99296, 191674, 376430, 729146, 1434578, 2786656, 5490812, 10691112, 21091712, 41150012, 81266612, 158825372, 313942892, 614483087, 1215563477
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