0,1
Fourth row of A050609, fourth column of A050610.
Sequence in context: A121165 A093652 A096690 this_sequence A120110 A047694 A129666
Adjacent sequences: A050609 A050610 A050611 this_sequence A050613 A050614 A050615
nonn
Antti Karttunen Oct 24 1999
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