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A124222
Triangular array read by rows, with shape sequence A002865, generated from A123682.
2
1, 1, 3, 5, 0, 9, 2, 13, 7, 1, 0, 19, 18, 4, 2, 25, 36, 12, 10, 0, 2, 0, 33, 64, 26, 32, 2, 11, 2, 1, 41, 103, 49, 78, 7, 40, 13, 6, 1, 0, 3, 0
OFFSET
1,3
COMMENTS
The shape sequence for A124222 is essentially A002865 since its columns are based on source partitions (1,22,33,222,44,332,2222,333,...). The row sum sequence for A124222 is essentially A001045.
EXAMPLE
The array begins
1
1
3
5 0
9 2
13 7 1 0
19 18 4 2
25 36 12 10 0 2 0
33 64 26 32 2 11 2 1
41 103 49 78 7 40 13 6 1 0 3 0
CROSSREFS
Cf. A001045 (row sums), A002865, A099392, A123682, A123683.
Sequence in context: A099895 A248192 A323987 * A200615 A349605 A318204
KEYWORD
nonn,tabf
AUTHOR
Alford Arnold, Oct 19 2006
STATUS
approved