A077348 a(n) = A077346(n)^(1/2).

1, 5, 15, 6, 18, 19, 2, 7, 20, 21, 23, 24, 71, 72, 73, 8, 25, 26, 78, 79, 80, 27, 28, 84, 85, 86, 87, 88, 9, 29, 90, 91, 92, 93, 94, 283, 3, 30, 31, 95, 96, 97, 98, 99, 300, 10, 32, 33, 100, 101, 102, 103, 104, 317, 318, 34, 105, 106, 107, 108, 109, 332, 333, 334, 335, 336

Offset: 1

Author

Amarnath Murthy, Nov 05 2002

Keywords

• base
• easy
• nonn
• tabl

Examples

			Triangle begins:
   1;
   5, 15;
   6, 18, 19;
   2,  7, 20, 21;
  23, 24, 71, 72, 73;
  ...
		

Crossrefs

Cf. A077346, A018796, A077347, A077349.

Programs

PARI

row(n) = my(list=List(), k=1); while (#list != n, if (strsplit(Str(k^2), Str(n))[1] == "", listput(list, k)); k++); Vec(list); \\ Michel Marcus, Feb 08 2023

Extensions

More terms from Michel Marcus, Feb 08 2023