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A327707
The minimal size of a partition lambda of n such that every partition of n with at most 7 parts can be obtained by coalescing the parts of lambda.
4
1, 2, 3, 4, 5, 6, 7, 7, 8, 8, 9, 9, 10, 10, 10, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20
OFFSET
1,2
FORMULA
Let L(n,k) be the analogous quantity if 7 is changed to k. Then L(n,k) = 1 + L(floor(n*(k-1)/k), k) with L(0,k) = 0.
CROSSREFS
Cf. A327704 (k=4), A327705 (k=5), A327706 (k=6), A327708 (k=8).
Sequence in context: A209384 A060207 A195932 * A134679 A100721 A337979
KEYWORD
nonn
AUTHOR
Bo Jones, Oct 31 2019
STATUS
approved