A number theory problem by A Former Brilliant Member

Number Theory Level 3

What are the next number in this series?

1, 3, 6, 55, 66, 171, 595, 666, 3003, 5995, ?


The answer is 8778.

A Former Brilliant Member by A Former Brilliant Member

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2 solutions

Krishna Ar
Apr 11, 2014

Refer triangular palindromic numbers. But, by the way, I believe more and more number theory problems have become mere computational problems.

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Shreyas Shastry
Mar 18, 2014

8778 These are the 1st 11 palindromic triangular numbers.

1 Helpful 0 Interesting 0 Brilliant 0 Confused

what i dont understand at all i think it just norm palindrom

Ricardo Gunawan - 7 years, 2 months ago

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