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A123194 (n+1)*Fibonacci(n+2) + 3. 0
4, 7, 12, 23, 43, 81, 150, 275, 498, 893, 1587, 2799, 4904, 8543, 14808, 25555, 43931, 75261, 128538, 218923, 371934, 630457, 1066467, 1800603, 3034828, 5106871, 8580900, 14398415, 24129163, 40388073, 67527582, 112786499, 188195274, 313733813, 522562323 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

Wood, Philip Matchett, A bijective proof of f_{n+4}+f_1+2f_2+...+nf_n=(n+1)f_{n+2}+3, Integers 6 (2006), A2, 4 pp. (electronic).

LINKS

Table of n, a(n) for n=0..34.

CROSSREFS

Sequence in context: A010901 A187211 A023624 * A208668 A215329 A208724

Adjacent sequences:  A123191 A123192 A123193 * A123195 A123196 A123197

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Oct 04 2006

STATUS

approved

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Last modified May 18 07:10 EDT 2013. Contains 225419 sequences.