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Search: id:A112487
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A112487 Row sums of triangle A112486. +0
3
1, 2, 10, 82, 938, 13778, 247210, 5240338, 128149802, 3551246162, 109979486890, 3764281873042, 141104799067178, 5749087305575378, 252969604725106090, 11955367835505775378, 603967991604199335722, 32479636694930586142802 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n)=sum(A112486(n, m), m=0..n), n>=0.

a(n) = 2*A032188(n+1), n>0. - Vladeta Jovovic (vladeta(AT)Eunet.yu), Jul 11 2007

CROSSREFS

Sequence in context: A063902 A088351 A062396 this_sequence A089469 A111265 A003093

Adjacent sequences: A112484 A112485 A112486 this_sequence A112488 A112489 A112490

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Sep 12 2005

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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