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A222801
Number of elements in n-th row of A222417.
1
1, 2, 3, 4, 6, 7, 9, 12, 16, 20, 22, 26, 29, 36, 40, 52, 58
OFFSET
1,2
CROSSREFS
Cf. A222417.
Sequence in context: A061489 A117595 A050050 * A117307 A340877 A161890
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Mar 05 2013
STATUS
approved