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A236102 Numbers whose divisors are partition numbers. 6
1, 2, 3, 5, 7, 11, 15, 22, 77, 101, 17977, 10619863, 6620830889, 80630964769, 228204732751, 1171432692373, 1398341745571, 10963707205259, 15285151248481, 10657331232548839, 790738119649411319, 18987964267331664557, 74878248419470886233, 1394313503224447816939 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

By definition all terms are partition numbers.

All members of A049575 are in this sequence.

Conjecture: the only composite numbers in this sequence are 15, 22, and 77. - Jon E. Schoenfield, Feb 05 2014

LINKS

Table of n, a(n) for n=1..24.

EXAMPLE

15 is in the sequence because the divisors of 15 are 1, 3, 5, 15, which are also partition numbers.

CROSSREFS

Cf. A000041, A027750, A049575, A236103, A236105, A236107, A236108, A236110, A236111.

Sequence in context: A326590 A116601 A218024 * A241726 A308990 A321142

Adjacent sequences:  A236099 A236100 A236101 * A236103 A236104 A236105

KEYWORD

nonn

AUTHOR

Omar E. Pol, Jan 21 2014

EXTENSIONS

More terms from Jon E. Schoenfield, Feb 05 2014

STATUS

approved

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Last modified June 2 08:23 EDT 2020. Contains 334767 sequences. (Running on oeis4.)