A082923 Sort the digits of these triangular numbers into descending order and drop zeros to get primes.

3, 136, 300, 703, 1081, 1378, 1540, 1891, 3160, 3403, 3655, 3916, 4186, 5356, 7381, 8128, 8911, 9316, 11026, 11935, 12880, 13861, 14878, 15400, 15931, 17578, 18145, 18721, 19306, 19900, 25651, 28441, 29161, 32131, 39340, 40186, 44551, 45451

Offset

1,1

Links

Table of n, a(n) for n=1..38.

Example

a(10)=3403 because 3403 is triangular and 433 is prime.

Crossrefs

Sequence in context: A136411 A193136 A037120 * A336202 A231904 A049677

Adjacent sequences: A082920 A082921 A082922 * A082924 A082925 A082926

Keyword

base,nonn

Author

Jason Earls, May 25 2003

Status

approved