# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a351982 Showing 1-1 of 1 %I A351982 #10 Mar 29 2022 02:28:20 %S A351982 1,0,0,0,1,0,2,0,0,1,3,0,1,1,3,3,3,0,1,4,5,5,3,3,5,8,5,5,6,8,8,11,7,8, %T A351982 10,17,14,14,12,17,17,21,18,23,20,28,27,31,27,36,32,35,37,46,41,52,45, %U A351982 60,58,63,59,78,71,76,81,87,80,103,107,113,114,127 %N A351982 Number of integer partitions of n into prime parts with prime multiplicities. %e A351982 The partitions for n = 4, 6, 10, 19, 20, 25: %e A351982 (22) (33) (55) (55333) (7733) (55555) %e A351982 (222) (3322) (55522) (77222) (77722) %e A351982 (22222) (3333322) (553322) (5533333) %e A351982 (33322222) (5522222) (5553322) %e A351982 (332222222) (55333222) %e A351982 (55522222) %e A351982 (333333322) %e A351982 (3333322222) %t A351982 Table[Length[Select[IntegerPartitions[n], And@@PrimeQ/@#&&And@@PrimeQ/@Length/@Split[#]&]],{n,0,30}] %Y A351982 The version for just prime parts is A000607, ranked by A076610. %Y A351982 The version for just prime multiplicities is A055923, ranked by A056166. %Y A351982 For odd instead of prime we have A117958, ranked by A352142. %Y A351982 The constant case is A230595, ranked by A352519. %Y A351982 Allowing any multiplicity > 1 gives A339218, ranked by A352492. %Y A351982 These partitions are ranked by A346068. %Y A351982 The non-constant case is A352493, ranked by A352518. %Y A351982 A000040 lists the primes. %Y A351982 A001221 counts constant partitions of prime length, ranked by A053810. %Y A351982 A001694 lists powerful numbers, counted A007690, weak A052485. %Y A351982 A038499 counts partitions of prime length. %Y A351982 A101436 counts parts of prime signature that are themselves prime. %Y A351982 A112798 lists prime indices, reverse A296150, sum A056239. %Y A351982 A124010 gives prime signature, sorted A118914, sum A001222. %Y A351982 A257994 counts prime indices that are prime, nonprime A330944. %Y A351982 Cf. A000720, A000961, A001156, A011757, A052335, A164336, A320628. %K A351982 nonn %O A351982 0,7 %A A351982 _Gus Wiseman_, Mar 18 2022 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE