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A305497 The largest positive even integer that can be represented with n digits in base 3/2. 2
2, 4, 8, 14, 22, 34, 52, 80, 122, 184, 278, 418, 628, 944, 1418, 2128, 3194, 4792, 7190, 10786, 16180, 24272, 36410, 54616, 81926, 122890, 184336, 276506, 414760, 622142, 933214, 1399822, 2099734, 3149602, 4724404, 7086608, 10629914, 15944872, 23917310 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..39.

B. Chen, R. Chen, J. Guo, S. Lee et al, On Base 3/2 and its sequences, arXiv:1808.04304

FORMULA

a(n+1) = 2*floor(3*a(n)/4) + 2.

a(n) = 2*A061419(n+1) - 2.

a(n) = A305498(n+1) - 2.

a(n) = Sum_{i=0..n-1} (3/2)^i*A304274(n-i). - Alois P. Heinz, Jun 21 2018

CROSSREFS

Cf. A005428, A070885, A073941, A081848, A024629, A246435, A304023, A304024, A304025, A303500, A304272, A304273, A304274, A305498.

Sequence in context: A025003 A087151 A053798 * A231429 A259392 A261968

Adjacent sequences:  A305494 A305495 A305496 * A305498 A305499 A305500

KEYWORD

nonn

AUTHOR

Tanya Khovanova and PRIMES STEP Senior group, Jun 02 2018

STATUS

approved

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Last modified November 16 04:54 EST 2018. Contains 317257 sequences. (Running on oeis4.)