The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A347703 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A347703

Number of compositions (ordered partitions) of n into at most 4 prime parts (counting 1 as a prime).
(history; published version)

#19 by Susanna Cuyler at Sun Sep 12 20:34:49 EDT 2021

STATUS

proposed

approved

#18 by Giorgos Kalogeropoulos at Sun Sep 12 17:44:10 EDT 2021

STATUS

editing

proposed

#17 by Giorgos Kalogeropoulos at Sun Sep 12 17:44:00 EDT 2021

MATHEMATICA

Table[Length@Flatten[Permutations/@IntegerPartitions[n, 4, Join[{1}, Prime@Range@PrimePi@n]], 1], {n, 0, 56}] (* Giorgos Kalogeropoulos, Sep 12 2021 *)

STATUS

proposed

editing

#16 by Ilya Gutkovskiy at Sun Sep 12 13:14:02 EDT 2021

STATUS

editing

proposed

#15 by Ilya Gutkovskiy at Sun Sep 12 12:43:55 EDT 2021

CROSSREFS

Cf. A008578, A280917, A341983, A347741, A347744, A347745, A347760, A347761.

#14 by Ilya Gutkovskiy at Sun Sep 12 12:38:45 EDT 2021

NAME

allocated for Ilya GutkovskiyNumber of compositions (ordered partitions) of n into at most 4 prime parts (counting 1 as a prime).

DATA

1, 1, 2, 4, 7, 13, 20, 28, 36, 43, 53, 60, 68, 70, 79, 84, 103, 105, 124, 118, 147, 144, 183, 165, 207, 180, 243, 213, 280, 215, 290, 222, 334, 258, 377, 260, 411, 299, 471, 324, 491, 302, 530, 346, 595, 377, 639, 380, 705, 435, 766, 463, 819, 456, 886, 506, 942

OFFSET

0,3

CROSSREFS

Cf. A008578, A280917, A341983, A347741, A347744, A347745.

KEYWORD

allocated

nonn

AUTHOR

Ilya Gutkovskiy, Sep 12 2021

STATUS

approved

editing

#13 by Ilya Gutkovskiy at Sun Sep 12 12:38:45 EDT 2021

NAME

allocated for Ilya Gutkovskiy

KEYWORD

recycled

allocated

#12 by Amiram Eldar at Sun Sep 12 11:24:26 EDT 2021

STATUS

reviewed

approved

#11 by Jon E. Schoenfield at Sun Sep 12 00:35:27 EDT 2021

STATUS

proposed

reviewed

#10 by Michel Marcus at Sun Sep 12 00:32:17 EDT 2021

STATUS

editing

proposed