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A110362 Beginning with 2, smallest unincluded prime number such that successive absolute differences are distinct triangular numbers. 0
2, 3, 13, 7, 43, 71, 5, 83, 293, 17, 137, 1733, 193, 383, 683, 53, 431, 1097, 107, 887, 67, 563, 157, 1103, 967, 439, 1567, 241, 1619, 443, 2213, 197, 2027, 4373, 457, 3307, 751, 3677, 191, 2819, 541, 2621, 5861, 401, 4229, 659, 4937, 281, 5231, 181, 6067, 9227 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
3 is included since 3-2=1 is a triangular number. 13 is next since 13-3=10 is triangular and 13 has not been used, 10 has not appeared as a difference earlier in the sequence and 5-3,7-3,11-3 are not triangular numbers.
CROSSREFS
Sequence in context: A306431 A192362 A057776 * A074478 A046421 A132365
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Jul 23 2005
EXTENSIONS
More terms from Matthew Conroy, Mar 28 2006
STATUS
approved

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Last modified June 21 06:38 EDT 2024. Contains 373540 sequences. (Running on oeis4.)