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A321232 Length of n-th term of A321225. 2
1, 1, 1, 3, 2, 4, 4, 4, 5, 6, 6, 6, 8, 7, 9, 9, 9, 10, 11, 11, 11, 13, 12, 14, 14, 14, 15, 16, 16, 16, 18, 17, 19, 19, 19, 20, 21, 21, 21, 23, 22, 24, 24, 24, 25, 26, 26, 26, 28, 27, 29, 29, 29, 30, 31, 31, 31, 33, 32, 34, 34, 34, 35, 36, 36, 36, 38, 37, 39, 39, 39, 40 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Seiichi Manyama, Table of n, a(n) for n = 1..10000

FORMULA

a(n) = a(n-9) + 5. for n > 9.

G.f.: x*(x^8 + 2*x^5 - x^4 + 2*x^3 + 1)/(x^10 - x^9 - x + 1). - Chai Wah Wu, Jan 06 2020

EXAMPLE

n | A321225 | a(n)

--+---------+-----

1 |       1 |   1

2 |       2 |   1

3 |       3 |   1

4 |     211 |   3

5 |      23 |   2

6 |    2112 |   4

7 |    3211 |   4

8 |    2321 |   4

9 |   12321 |   5

CROSSREFS

Cf. A068962, A321225.

Sequence in context: A061901 A322349 A322348 * A326015 A078822 A224980

Adjacent sequences:  A321229 A321230 A321231 * A321233 A321234 A321235

KEYWORD

nonn

AUTHOR

Seiichi Manyama, Oct 31 2018

STATUS

approved

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Last modified January 28 03:42 EST 2020. Contains 331317 sequences. (Running on oeis4.)