STATUS
reviewed
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reviewed
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b:= proc(n, i, t) option remember; `if`(n=0, 1, `if`(i<1, 0,
`if`(t=0, b(n-i, min(n-i, i-1), 1-t), `if`(n=i, 1, (t->
`if`(t>n, 0, b(n-t, min(n-t, i-1), 1-t)))(2*i)))+b(n, i-1, t)))
end:
a:= n-> b(n$2, 0):
seq(a(n), n=0..80); # Alois P. Heinz, Feb 03 2022
Number of integer partitions of n that are alternately unequal and equal.
proposed
editing