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A064645 formatted as a triangular array:

1
1 1
2 1 1
4 1 1 1
9 2 1 1 1
21 4 1 1 1 1
51 8 2 1 1 1 1
127 17 4 1 1 1 1 1
323 37 8 2 1 1 1 1 1
835 82 16 4 1 1 1 1 1 1
2188 185 33 8 2 1 1 1 1 1 1
5798 423 69 16 4 1 1 1 1 1 1 1
15511 978 146 32 8 2 1 1 1 1 1 1 1
41835 2283 312 65 16 4 1 1 1 1 1 1 1 1

A064645 formatted as a square array:

1 1 2 4 9 21 51 127 323 835 2188 5798 15511 41835
1 1 1 2 4 8 17 37 82 185 423 978 2283
1 1 1 1 2 4 8 16 33 69 146 312
1 1 1 1 1 2 4 8 16 32 65
1 1 1 1 1 1 2 4 8 16
1 1 1 1 1 1 1 2 4
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1
1 1 1 1 1 1
1 1 1 1 1
1 1 1 1
1 1 1
1 1
1

A064645 formatted as an upper right triangle:

1 1 2 4 9 21 51 127 323 835 2188 5798 15511 41835
1 1 1 2 4 8 17 37 82 185 423 978 2283
1 1 1 1 2 4 8 16 33 69 146 312
1 1 1 1 1 2 4 8 16 32 65
1 1 1 1 1 1 2 4 8 16
1 1 1 1 1 1 1 2 4
1 1 1 1 1 1 1 1
1 1 1 1 1 1 1
1 1 1 1 1 1
1 1 1 1 1
1 1 1 1
1 1 1
1 1
1

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.


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