OFFSET
0,7
COMMENTS
a(n) is also the total number of ones in the first n rows of A347579, n >= 1.
MATHEMATICA
Accumulate@Table[Length@Select[Select[IntegerPartitions@n, DuplicateFreeQ], Differences@MinMax@#=={Length@#}&], {n, 60}] (* Giorgos Kalogeropoulos, Sep 12 2021 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Omar E. Pol, Sep 11 2021
STATUS
approved