
5, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53
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OFFSET

0,1


LINKS

Table of n, a(n) for n=0..58.
Tanya Khovanova, Recursive Sequences
Robert G. Wilson v, American English names for the numbers from 0 to 100999 without spaces or hyphens.
Index entries for linear recurrences with constant coefficients, signature (2,1).


FORMULA

a(n) = 2 a(n1)  a(n2). a(n) = A022961(n). G.f.: (5+6*x)/(1x)^2.  M. F. Hasler, Apr 18 2015


MATHEMATICA

Range[0, 60]5 (* Harvey P. Dale, Feb 01 2016 *)


PROG

(PARI) a(n)=n5


CROSSREFS

Cf. A256958, A001057, A000027, A001477, A023443, ..., A023446, A023448, ..., A023482, A022958, ..., A022996.
Sequence in context: A073743 A021652 A022961 * A280916 A031016 A261302
Adjacent sequences: A023444 A023445 A023446 * A023448 A023449 A023450


KEYWORD

sign,easy


AUTHOR

N. J. A. Sloane.


STATUS

approved

