n is the sum of k nonzero squares for all 5 <= k <= n-14 (contains all integers >= 19 except 33).

Terms

a(0) =19a(1) =20a(2) =21a(3) =22a(4) =23a(5) =24a(6) =25a(7) =26a(8) =27a(9) =28a(10) =29a(11) =30a(12) =31a(13) =32a(14) =34a(15) =35a(16) =36a(17) =37a(18) =38a(19) =39a(20) =40a(21) =41a(22) =42a(23) =43a(24) =44a(25) =45a(26) =46a(27) =47a(28) =48a(29) =49