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A335159 a(n) = nim-product of 2^2 and 2^n. 2
4, 8, 6, 11, 64, 128, 96, 176, 1024, 2048, 1536, 2816, 16384, 32768, 24576, 45056, 262144, 524288, 393216, 720896, 4194304, 8388608, 6291456, 11534336, 67108864, 134217728, 100663296, 184549376, 1073741824, 2147483648, 1610612736, 2952790016, 17179869184 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Rémy Sigrist, Table of n, a(n) for n = 0..1000

J. H. Conway, Integral lexicographic codes, Discrete Mathematics 83.2-3 (1990): 219-235. See Table 4.

FORMULA

Conjectures from Colin Barker, Jun 11 2020: (Start)

G.f.: (4 + 8*x + 6*x^2 + 11*x^3) / ((1 - 2*x)*(1 + 2*x)*(1 + 4*x^2)).

a(n) = 16*a(n-4) for n>3.

(End)

CROSSREFS

Row 2 of array in A223541.

Sequence in context: A005531 A328278 A288189 * A064494 A119800 A330685

Adjacent sequences:  A335156 A335157 A335158 * A335160 A335161 A335162

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 08 2020

STATUS

approved

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Last modified January 25 16:01 EST 2022. Contains 350572 sequences. (Running on oeis4.)