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A130473 Partial sums of A087172. 3
1, 3, 6, 9, 14, 19, 24, 32, 40, 48, 56, 64, 77, 90, 103, 116, 129, 142, 155, 168, 189, 210, 231, 252, 273, 294, 315, 336, 357, 378, 399, 420, 441, 475, 509, 543, 577, 611, 645, 679, 713, 747, 781, 815, 849, 883, 917, 951, 985, 1019, 1053, 1087, 1121, 1155, 1210 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..55.

FORMULA

a(n) = (1/2)*(Fib(2*b(n)+1) - 3*Fib(b(n))*Fib(b(n)+1)-1) + (n+1)*Fib(b(n)) where b(n) = A130233(n) = A130234(n+1)-1 and Fib(n)=A000045(n).

MATHEMATICA

Accumulate[Flatten[Map[ConstantArray[Fibonacci[#], Fibonacci[#-1]]&, Range[15]]]] (* Peter J. C. Moses, May 02 2022 *)

CROSSREFS

Cf. A000045, A130233, A130234, A130235, A130236, A130238, A130240, A087172.

Sequence in context: A310168 A134031 A228172 * A261229 A184015 A225282

Adjacent sequences:  A130470 A130471 A130472 * A130474 A130475 A130476

KEYWORD

nonn

AUTHOR

Hieronymus Fischer, May 28 2007

STATUS

approved

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Last modified August 17 08:02 EDT 2022. Contains 356184 sequences. (Running on oeis4.)