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Search: id:A057121
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A057121 Local ranks of terms of A057119. +0
3
0, 0, 3, 344, 8398380, 13286191841734681, 89262894246121771416347364297566757 (list; graph; listen)
OFFSET

0,3
COMMENT

CatalanRank given in A057117.

FORMULA

a(n) = CatalanRank(2^n, bt_df2tree_apply_k_times(2, n))

CROSSREFS

Cf. A057120.

Sequence in context: A157585 A045645 A005335 this_sequence A039515 A037302 A157591

Adjacent sequences: A057118 A057119 A057120 this_sequence A057122 A057123 A057124

KEYWORD

nonn

AUTHOR

Antti Karttunen Aug 11 2000

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.

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