Triangular numbers T such that sum of the factorials of digits of T is prime.

A242831

Triangular numbers T such that sum of the factorials of digits of T is prime.

Terms

    a(0) =10a(1) =21a(2) =136a(3) =153a(4) =351a(5) =630a(6) =780a(7) =3403a(8) =3570a(9) =5671a(10) =6441a(11) =6670a(12) =7503a(13) =9870a(14) =10011a(15) =13366a(16) =14535a(17) =16653a(18) =20301a(19) =23220a(20) =33153a(21) =34716a(22) =36046a(23) =36315a(24) =37950a(25) =43660a(26) =46360a(27) =56616a(28) =66430a(29) =93096

External references