A230833 Sum of the first n strobogrammatic numbers.

0, 1, 9, 20, 89, 177, 273, 374, 485, 666, 1275, 1894, 2583, 3391, 4209, 5097, 6003, 6919, 7905, 8906, 10017, 11708, 13589, 15550, 21559, 27678, 34377, 41266, 48235, 56243, 64361, 73059, 81947, 90915, 99921, 109037

Offset: 1

Author

G. L. Honaker, Jr., Oct 31 2013

Keywords

• nonn
• base
• easy

Examples

			a(10) = 666 because 0+1+8+11+69+88+96+101+111+181 = 666.
		

References

• G. L. Honaker, Jr., Pentagrammic Decryption, unpublished.

Links

• Wikipedia, Strobogrammatic number

Crossrefs

Cf. partial sums of A000787.