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b:= proc(n, l, d) option remember; `if`(n=0, 1, add(`if`(l=0 or
j-l<d, b(n-j, j, `if`(l=0, infinity, j-l)), 0), j=1..n))
end:
a:= n-> b(n, 0$2):
seq(a(n), n=0..52); # Alois P. Heinz, Jan 27 2024
approved
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Alois P. Heinz, <a href="/A325548/b325548_1.txt">Table of n, a(n) for n = 0..400</a>
editing
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Alois P. Heinz, <a href="/A325548/b325548_1.txt">Table of n, a(n) for n = 0..400</a>
nonn,more,changed
a(45)-a(52) from Alois P. Heinz, Jan 27 2024
1, 1, 2, 3, 5, 8, 10, 13, 19, 23, 29, 38, 46, 55, 69, 80, 96, 115, 132, 154, 183, 207, 238, 276, 314, 356, 405, 455, 513, 579, 647, 724, 809, 897, 998, 1107, 1225, 1350, 1486, 1639, 1805, 1973, 2166, 2374, 2586, 2824, 3084, 3346, 3646, 3964, 4286, 4655, 5047
proposed
approved
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proposed