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A112508 Counts the objects described in A047969 and A089246 when grouped by minimum part. (Row sums give A047970). 1

%I #2 Mar 31 2012 13:23:37

%S 1,1,1,1,1,3,1,1,3,9,1,1,3,9,29,1,1,3,9,29,101

%N Counts the objects described in A047969 and A089246 when grouped by minimum part. (Row sums give A047970).

%e Row 4 of the triangular array is (1 1 3 9) because there are nine tuples with a minimum value of 1, three tuples with a minimum value of 2, one tuple with a minimum value of 3 and one tuple with a minimum value of 4; the relevant unordered partitions are illustrated in the below Gaussian polynomial template:

%e 4

%e 31 32 33

%e 211 221 222

%e 1111

%Y Cf. A047969, A089246.

%K easy,nonn

%O 1,6

%A _Alford Arnold_, Sep 08 2005

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Last modified April 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)