A326737 - OEIS

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A326737

Numbers which converge to 4 under repeated application of the powertrain map of A133500.

10

4, 22, 41, 104, 114, 124, 134, 144, 154, 164, 174, 184, 194, 204, 212, 221, 249, 304, 404, 411, 429, 504, 604, 624, 704, 804, 904, 1022, 1041, 1122, 1141, 1222, 1241, 1322, 1341, 1422, 1441, 1522, 1541, 1622, 1641, 1722, 1741, 1822, 1841, 1922, 1941, 2022

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..48.

EXAMPLE

249 -> 2^4*9 = 144 -> 1^4*4 = 4.

CROSSREFS

Cf. A133500, A133501, A135384, A135385, A309385, A326733, A326734, A326735, A326736, A326738, A326739, A326740, A326741, A326742.

Sequence in context: A031108 A350521 A163484 * A297434 A020173 A290709

Adjacent sequences: A326734 A326735 A326736 * A326738 A326739 A326740

KEYWORD

nonn,base,easy

AUTHOR

Martin Renner, Jul 22 2019

STATUS

approved