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A027167 Sum{T(n-k,k)}, 0<=k<=[ n/2 ], T given by A027157. +0
1
1, 2, 4, 7, 15, 24, 50, 81, 165, 266, 544, 875, 1787, 2876, 5870, 9445, 19281, 31022, 63324, 101887, 207975, 334624, 683050, 1099001, 2243325, 3609426, 7367704, 11854355, 24197587, 38932996, 79471590, 127866765, 261006761 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A152477 A019998 A002956 this_sequence A136336 A115178 A049885

Adjacent sequences: A027164 A027165 A027166 this_sequence A027168 A027169 A027170

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

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