A038753 Nonprime partition numbers.

1, 15, 22, 30, 42, 56, 77, 135, 176, 231, 297, 385, 490, 627, 792, 1002, 1255, 1575, 1958, 2436, 3010, 3718, 4565, 5604, 6842, 8349, 10143, 12310, 14883, 21637, 26015, 31185, 37338, 44583, 53174, 63261, 75175, 89134, 105558, 124754, 147273, 173525

Offset: 1

Author

Henry Bottomley, May 03 2000

Keywords

• nonn

Crossrefs

Cf. A000041, A049575.

Formula

A005171(a(n))*A167392(a(n)) = 1. [From Reinhard Zumkeller, Nov 03 2009]