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A225210 Least number of the form 11*m-1 with exactly n prime factors, counted with multiplicity. 0
43, 10, 76, 54, 32, 560, 648, 384, 1792, 7776, 4608, 10240, 77824, 55296, 32768, 573440, 663552, 393216, 1835008, 7962624, 4718592, 10485760, 79691776, 56623104, 33554432, 587202560, 679477248, 402653184, 1879048192, 8153726976, 4831838208, 10737418240, 81604378624, 57982058496, 34359738368 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Corresponding values of m:  4, 1, 7, 5, 3, 51, 59, 35, 163, 707, 419, 931, 7075, 5027, 2979, 52131, 60323, 35747, 166819, 723875, 428963.

LINKS

Table of n, a(n) for n=1..35.

FORMULA

a(n) = a(n-10)*2^10 for n > 11.

PROG

(PARI) {for(n = 1, 30, forstep(m = 10, 3276800, 11, if(bigomega(m) == n, print1(m", "); break())))}

CROSSREFS

Inspired by A230123.

Sequence in context: A093762 A156677 A097398 * A033363 A187088 A127147

Adjacent sequences:  A225207 A225208 A225209 * A225211 A225212 A225213

KEYWORD

nonn

AUTHOR

Zak Seidov, Oct 25 2013

STATUS

approved

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Last modified June 17 17:05 EDT 2021. Contains 345085 sequences. (Running on oeis4.)