

A054405


Row sums of array T as in A055215.


2



1, 2, 3, 5, 7, 10, 14, 19, 26, 35, 47, 63, 84, 112, 149, 198, 263, 349, 463, 614, 814, 1079, 1430, 1895, 2511, 3327, 4408, 5840, 7737, 10250, 13579, 17989, 23831, 31570, 41822, 55403, 73394, 97227, 128799, 170623, 226028, 299424
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OFFSET

0,2


COMMENTS

Partial sums of A134816. [From Omar E. Pol, Jan 02 2009]


LINKS

Table of n, a(n) for n=0..41.
Index entries for linear recurrences with constant coefficients, signature (1,1,0,1).


FORMULA

If you add 2 to each term, you get the Padovan sequence A000931.  Gabriel Nivasch (gnivasch(AT)yahoo.com), Oct 15 2003
Partial sums of Padovan sequence A000931(n+5). G.f. : (1+x)/(1xx^2+x^4); a(n)=a(n1)+a(n2)a(n4).  Paul Barry, Jun 21 2004, sign corrected R. J. Mathar, Oct 16 2010


CROSSREFS

Cf. A134816. [From Omar E. Pol, Jan 02 2009]
Sequence in context: A102108 A105780 A001522 * A155167 A237269 A116634
Adjacent sequences: A054402 A054403 A054404 * A054406 A054407 A054408


KEYWORD

nonn


AUTHOR

Clark Kimberling, May 07 2000


EXTENSIONS

Signs in formula corrected by R. J. Mathar, Oct 16 2010


STATUS

approved



