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A048288 Number of prime factors of reverse concatenation of numbers from 1 to n. 0
0, 2, 2, 2, 3, 2, 2, 4, 5, 3, 2, 3, 3, 4, 6, 4, 7, 10, 3, 5, 4, 5, 4, 5, 6, 9, 9, 5, 7, 8, 3, 6, 5 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..32.

M. Fleuren, Factors and primes of Smarandache sequences.

M. Fleuren, Smarandache Factors and Reverse factors

CROSSREFS

Cf. A046460, A046461, A046468.

Sequence in context: A284565 A227911 A325783 * A050677 A058013 A223934

Adjacent sequences:  A048285 A048286 A048287 * A048289 A048290 A048291

KEYWORD

nonn,base

AUTHOR

Paul Jasper (jasperpaul(AT)hotmail.com)

STATUS

approved

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Last modified October 15 15:14 EDT 2019. Contains 328030 sequences. (Running on oeis4.)