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

1,3

References

G. L. Honaker, Jr., Pentagrammic Decryption, unpublished.

Links

Table of n, a(n) for n=1..36.

Wikipedia, Strobogrammatic number

Example

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

Crossrefs

Cf. partial sums of A000787.

Sequence in context: A341529 A013573 A146388 * A321723 A282763 A013338

Adjacent sequences: A230830 A230831 A230832 * A230834 A230835 A230836

Keyword

nonn,base,easy

Author

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

Status

approved